Halogen Containing Organic Compounds Flashcards
1
Q
- Which C-X bond has the highest bond energy per mole?
a) C-Br
b) C-Cl
c) C-F
d) C-I
A
c) C-F
2
Q
- Which alkyl halide has the highest reactivity for a
particular alkyl group?
a) R-F
b) R-Cl
c) R-I
d) R-Br
A
c) R-I
3
Q
- When ethyl chloride reacts with nascent hydrogen, what
is the formed product?
a) Methane
b) Propane
c) Butane
d) Ethane
A
d) Ethane
4
Q
- Which of the following halide can give best SN2
reaction?
a) Primary alkyl halide
b) Tertiary alkyl halide
c) Secondary alkyl halide
d) All can give SN2 reaction at same rate
A
a) Primary alkyl halide
4
Q
- Which alkyl halide out of the following may follow both
SN1 and SN2 mechanism?
a) CH3-X
b) (CH3)2CH-X
c) (CH3)3C-X
d) (CH3)3C-CH2-X
A
b) (CH3)2CH-X
5
Q
- When two moles of ethyl chloride react with two moles
of sodium in the presence of ether what will be formed?
a) 2 moles of ethane
b) 1 moles of ethane
c) 2 moles of butane
d) 1 moles of butane
A
d) 1 moles of butane
6
Q
- The molecular formula of DDT has how many chlorine
atoms?
a) 5 chlorine atoms
b) 2 chlorine atoms
c) 3 chlorine atoms
d) 4 chlorine atoms
A
a) 5 chlorine atoms
6
Q
- In primary alkyl halides, carbon attached to the halogen
atom is further attached to how many carbon atoms?
a) 1
b) 2
c) 3
d) 4
A
a) 1
6
Q
- Which of the following is not the method of preparation
of alkyl halide?
a) Darzen’s method
b) Halogenation of alkene
c) Addition of HX on alkenes
d) Hydration of alkene
A
d) Hydration of alkene
7
Q
- Why alkyl halides are considered to be very reactive
compounds towards nucleophile?
a) they have an electrophilic carbon & a bad leaving group
b) they have a nucleophilic carbon & a good leaving group
c) they have an electrophilic carbon
d) they have an electrophilic carbon & a good leaving
group
A
d) they have an electrophilic carbon & a good leaving
group
8
Q
- Which of the following is the commercial method of
preparation of Chlorobenzene?
a) Raschig process
b) Wurtz Fitting reaction
c) Friedel-Crafts reaction
d) Grignard reaction
A
a) Raschig process
8
Q
- Which of the following reactant gives the best method
of preparation of alkyl halides when reacts with alcohol?
a) Zn/HCl
b) PCl5
c) SOCl2/ Pyridine
d) PCl3
A
c) SOCl2/ Pyridine
9
Q
- Which of the following is true about chlorobenzene?
a) Chlorobenzene is less reactive than benzyl chloride
b) Chlorobenzene is more reactive than ethyl bromide
c) Chlorobenzene is nearly as reactive as methyl chloride
d) Chlorobenzene is more reactive than isopropyl chloride
A
a) Chlorobenzene is less reactive than benzyl chloride
10
Q
- What will be the product for the given reaction?
a) CCl3CHO
b) C6H6Cl6
c) C6H12Cl6
d) C6H9Cl2
A
b) C6H6Cl6
10
Q
- Benzene reacts with chlorine to form benzene
hexachloride in presence of which of the following
reactant?
a) Nickel
b) AlCl3
c) Bright sunlight
d) Zinc
A
c) Bright sunlight
11
Q
- What is the IUPAC name of chloroform?
a) Dichloromethane
b) Trichloromethane
c) Chloromethane
d) Carbon tetrachloride
A
b) Trichloromethane
12
Q
- Which among the following is true?
a) Freon does not initiate radical chain reactions in
stratosphere
b) Iodoform initiates radical chain reactions in
stratosphere
c) Freon initiates radical chain reactions in stratosphere
d) Chloroform initiates radical chain reactions in
stratosphere
A
c) Freon initiates radical chain reactions in stratosphere
12
Q
- Central nervous system can be depressed by the use of
which of the following:
a) Chloroform
b) Freon
c) Iodoform
d) DDT
A
a) Chloroform
13
Q
- CFxCly [where x + y = 4], why these compounds are not
used?
a) These are fluoro carbons
b) These are difficult to synthesise
c) They deplete ozone layer
d) These are very expensive
A
c) They deplete ozone layer
13
Q
- Which one of the following is the correct formula of
methylene dichloride?
a) ClCH = CHCl
b) ClC ≡ CCl
c) CH2Cl2
d) CH2(Cl) CH2Cl
A
c) CH2Cl2
14
Q
- How Benzene hexachloride (BHC) is used?
a) Insecticides
b) Fertilizers
c) Anaesthetics
d) Antiseptics
A
a) Insecticides
15
Q
- Which is the correct formula of Freon-12?
a) CCl2F2
b) CClF3
c) CHCl2F
d) CCl3F
A
a) CCl2F2
16
Q
- Depletion of Ozone is believed to increase which of the
following?
a) Population
b) Ultraviolet rays
c) Pollution
d) Greenery
A
b) Ultraviolet rays
17
Q
- Which of the following compounds does not give a
tertiary alcohol upon reaction with methylmagnesium
bromide?
a) 3-methylpentanal
b) Ethyl benzoate
c) 4,4-dimethylcyclohexanone
d) 4-heptanone
A
d) 4-heptanone
17
Q
- Which is not present in Grignard reagent?
a) Methyl group
b) Magnesium
c) Halogen
d) −COOH group
A
d) −COOH group
17
Q
- Alkyl halides can be converted into Grignard reagents by
a) Boiling them with Mg ribbon in alcoholic solution
b) Warming them with magnesium powder in dry ether
c) Refluxing them with MgCl2 solution
d) Warming them with Mgcl2
A
b) Warming them with magnesium powder in dry ether
18
Q
- A Grignard’s reagent may be made by reacting
magnesium with which of the following compound?
a) Methyl amine
b) Diethyl ether
c) Ethyl iodide
d) Ethyl alcohol
A
c) Ethyl iodide
18
Q
- Which of the following statements about Grignard
reagent is false?
a) Grignard reagents (RMgBr) add to the carbonyl group of
aldehydes and ketones
b) An organosodium compound is not very reactive
compared to a Grignard reagent
c) Grignard reagents are prepared in ether or
tetrahydrofuran (THF)
d) Grignard reagents are decomposed by water and
alcohol
A
b) An organosodium compound is not very reactive
compared to a Grignard reagent
18
Q
- Which of the following compounds gives a secondary
alcohol upon reaction with methylmagnesium bromide?
a) Butyl formate
b) 3- pentanone
c) Pentanal
d) Methyl butanoate
A
c) Pentanal
19
Q
- Which of the following compounds would not give tert
butyl alcohol when treated with excess methylmagnesium
bromide?
a) acetyl chloride
b) acetaldehyde
c) methyl acetate
d) acetic anhydride
A
b) acetaldehyde
19
Q
- Which of the following reagents, when treated with
phenylmagnesiuim bromide followed by acid workup, will
yield 2-phenylethanol?
a) Ethanol
b) Diethyl ether
c) Ethanal
d) Oxirane
A
d) Oxirane
19
Q
- Which of the following compounds gives a primary
alcohol upon reaction with phenylmagnesium bromide?
a) 2-methyloxirane
b) ethylene oxide
c) ethyl formate
d) carbon dioxide
A
b) ethylene oxide
20
Q
- Which of the following vinyl halide has industrial
application?
a) Vinyl fluoride
b) Vinyl chloride
c) Vinyl bromide
d) Vinyl iodide
A
b) Vinyl chloride
20
Q
- Which of the following statement is incorrect about
allylic halide?
a) The positions adjacent to alkene C=C often show
decrement in reactivity
b) SN1 reactions of allylic halides are possible
c) Allylic bonds are often weaker and therefore more easily
broken
d) stability of the allylic radical can be utilized in the
preparation of allylic halides
A
c) Allylic bonds are often weaker and therefore more easily
broken
20
Q
- Which of the following allylic halide has commercial
usage?
a) H2C = CH−CH2Cl
b) H2C = CH−CH2Br
c) H2C = CH−CH2I
d) H2C = CH−CH2F
A
a) H2C = CH−CH2Cl
21
Q
- How can be a vinylic halide converted into Grignard
reagent?
a) Addition of base
b) Addition of acid
c) By adding magnesium
d) Addition of diethyl ether
A
c) By adding magnesium
22
Q
- What will be the product when addition of hydrogen
chloride to vinyl chloride occurs?
a) 1,1-dichloroethane
b) 1,2-dichloroethane
c) 1-chloroethane
d) 1-chloro 2,2-dichloroethane
A
a) 1,1-dichloroethane
23
Q
- Catalytic reduction (Hydrogenation) of carbon
monooxide with H2 under high pressure and temperature
gives methyl alcohol. What is this process is known as?
a) Baeyer’s test
b) Hofmann’s reaction
c) Kolb process
d) BASF process
A
d) BASF process
23
Q
- Acid catalysed hydration of alkenes except ethene leads
to the formation of which of the following?
a) Mixture of secondary and tertiary alcohols
b) Mixture of secondary and tertiary alcohols
c) Secondary or tertiary alcohol
d) Primary alcohol
A
a) Mixture of secondary and tertiary alcohols
23
Q
- What will be the product for the given reaction?
CH2 = CHC ≡ CH + HCl → ?
vinylacetylene
a) 2-chloro-1,3-dibutadiene
b) 1,2-dichloro-1,3-dibutadiene
c) 1-chloro-2,3-dibutadiene
d) 3-chloro-1,2-dibutadiene
A
a) 2-chloro-1,3-dibutadiene
24
Q
- Which of the following statements is incorrect regarding
preparation of alcohols?
a) Aldehydes and Ketones on catalytic reduction by [H]
give primary alcohol and secondary alcohol respectively
b) Ketones on reaction with Grignard’s reagent gives
tertiary alcohol
c) Aldehydes on reaction with Grignard’s reagent gives
primary or secondary alcohol
d) Alkyl halides on reaction alcoholic potash gives alcohol
A
d) Alkyl halides on reaction alcoholic potash gives alcohol
25
Q
- Which of the following steps is not used in the
fermentation of starch into ethyl alcohol?
a) Hydrolysis of starch into maltose by diastase present in
barley
b) Conversion of maltose into glucose by maltase present
in yeast
c) Conversion of glucose into ethanol by zymase present in
yeast
d) Conversion of sucrose into glucose and fructose by
sucrase present in yeast
A
d) Conversion of sucrose into glucose and fructose by
sucrase present in yeast
26
Q
- Which of the following way is not a method of
preparation of alcohol?
a) Grignard reaction
b) Reduction of an aldehyde, ketone, or carboxylic acid
with the appropriate reducing agent
c) Substitution reaction of hydroxide or water on the
appropriate alkyl halide
d) Haber’s process
A
d) Haber’s process
26
Q
- 15% pure ethyl alcohol (wash) on fractional distillation
gives 95% ethyl alcohol by weight which is commonly
known as which of the following terms?
a) Wash
b) Absolute alcohol
c) Rectified spirit
d) Methylated spirit
A
c) Rectified spirit
26
Q
- Ethyl alcohol obtained by fermentation of starch or
molasses is called wash, and what is it’s purity?
a) 15%
b) 99%
c) 99.9%
d) 95%
A
a) 15%
27
Q
- Which is the only alcohol that can be prepared by the
indirect hydration of alkene?
a) Ethyl alcohol
b) Propyl alcohol
Answer: d
c) Isobutyl alcohol
d) Methyl alcohol
A
a) Ethyl alcohol
28
Q
- Which one of the following compound is obtained by
the oxidation of primary alcohol with nascent oxygen?
a) Alkanal
b) Alkanone
c) Ether
d) Amine
A
a) Alkanal
28
Q
- Among the alkenes which one produces tertiary butyl
alcohol on acid hydration?
a) (CH3)2C=CH2
b) CH3-CH=CH-CH3
c) CH3CH2CH=CH2
d) CH3CH=CH2
A
a) (CH3)2C=CH2
29
Q
- Isopropyl methyl ether when treated with cold
hydrogen iodide gives which of the following alcohol?
a) isopropyl iodide and methyl iodide
b) isopropyl alcohol and methyl iodide
c) isopropyl alcohol and methyl alcohol
d) isopropyl iodide and methyl alcohol
A
b) isopropyl alcohol and methyl iodide
30
Q
- Secondary alcohols on catalytic dehydrogenation by Cu
Ni couple gives ___________
a) Ketone
b) Aldehyde
c) Carboxylic acid
d) Amine
A
a) Ketone
30
Q
- Which one of the following compound is obtained by
the oxidation of secondary alcohols by [O]?
a) Ketone
b) Aldehyde
c) Ether
d) Amine
A
a) Ketone
31
Q
- The reaction of carboxylic acids with alcohols catalysed
by conc. H2SO4 is called __________
a) Dehydration
b) Saponification
c) Esterification
d) Neutralization
A
c) Esterification
32
Q
- Which one is the correct order of reactivity of different
types of alcohol towards hydrogen halide?
a) 1° alcohol > 2° alcohol > 3° alcohol
b) 2° alcohol > 1° alcohol > 3° alcohol
c) 3° alcohol > 1° alcohol > 2° alcohol
d) 3° alcohol > 2° alcohol > 1° alcohol
A
d) 3° alcohol > 2° alcohol > 1° alcohol
32
Q
- The dehydration of alcohols is an example of ________
a) Bimolecular elimination/E2 reaction
b) SN2 reaction
c) SN1 reaction
d) Unimolecular elimination/E1 reaction
A
d) Unimolecular elimination/E1 reaction
33
Q
- Among the following, which is least acidic?
a) Phenol
b) O-cresol
c) p-nitrophenol
d) p- chlorophenol
A
b) O-cresol
34
Q
- The major reason that phenol is a better Bronsted acid
than cyclohexanol is ____________
a) it is a better proton donor
b) the cyclohexyl group is an electron donating group by
induction, which destabilizes the anion formed in the
reaction
c) phenol is able to stabilize the anion formed in the
reaction by resonance
d) the phenyl group is an electron withdrawing group by
induction, which stabilizes the anion formed in the
reaction
A
c) phenol is able to stabilize the anion formed in the
reaction by resonance
34
Q
- Which of the following alcohols would be most soluble
in water?
a) Propanol
b) Hexanol
c) Pentanol
d) Butanol
A
a) Propanol
35
Q
- CH3OH is a which type of acid?
a) Bronsted acid
b) Lewis acid
c) Arrhenius acid
d) Lewis and Arrhenius acid
A
a) Bronsted acid
35
Q
- What is the correct order of acidic strength?
a) CH3-OH
b) CH3CH2-OH
c) CH3 CH2 CH2-OH
d) CH3 CH2 CH2 CH2-OH
A
a) CH3-OH
36
Q
- Which of the following is more acidic alcohol?
a) Phenol
b) Cyclohexanol
c) Methanol
d) Ethanol
A
a) Phenol
36
Q
- Which of the following is more acidic than alcohols?
a) Arrhenius acid
b) amine
c) alkyne
d) carboxylic acid
A
d) carboxylic acid
37
Q
- What is the IUPAC name for vinylic alcohol?
a) Ethanol
b) Methanol
c) Ethenol
d) Methenol
A
c) Ethenol
38
Q
- Which of the following is not an isomer of vinylic
alcohol?
a) Acetaldehyde
b) Ethylene oxide
c) Ethanol
d) Ethanal
A
c) Ethanol
39
Q
- Which of the statement is not true about vinylic
alcohols?
a) Several metal complexes are known that contain vinyl
alcohol as a ligand
b) Vinyl alcohol was discovered in the molecular cloud
Sagittarius B, using the 12-meter radio telescope
c) It can be formed by elimination of water from ethylene
glycol at a temperature of 900 °C and low pressure
d) Vinylic alcohol shows no tautomerism
A
d) Vinylic alcohol shows no tautomerism
40
Q
- Polyvinyl alcohol is soluble in which solvent?
a) protic
b) aprotic
c) polar aprotic
d) polar protic
A
d) polar protic
41
Q
- What is the commercial method of preparation of
phenol?
a) Dows process
b) From diazonium salt
c) By decarboxylation of salicylic acid
d) Hock method
A
d) Hock method
41
Q
- On heating aqueous solution of benzene diazonium
chloride, which of the following is formed?
a) benzene
b) chlorobenzene
c) phenol
d) aniline
A
c) phenol
42
Q
- Sodium benzene sulphonate reacts with NaOH and then
on acidic hydrolysis, it gives which of the following
compound?
a) Phenol
b) Benzoic acid
c) Benzene
d) Disodium benzaldehyde
A
a) Phenol
43
Q
- Reaction of aqueous sodium hydroxide on
chlorobenzene gives which of the following products?
a) o-chlorophenol
b) o-chlorophenol
c) phenol
d) no reaction
A
c) phenol
44
Q
- What is the reagent which will react with cumene to
give phenol?
a) Oxygen
b) Hydrogen
c) Nitrogen
d) Ozone
A
a) Oxygen
45
Q
- What is the reactant ‘x’ and ‘y’ that will react with
benzene to give phenol?
a) X is Oleum and y is molten sodium hydroxide followed
by H+
b) X is Oleum and y is HCl
c) X is Oleum and y is NH3
d) X is Oleum and y is water
A
b) X is Oleum and y is HCl
46
Q
- Phenolphthalein is obtained by heating phenol with
conc. H2SO4 and which of the following reactant?
a) Benzyl alcohol
b) Benzene
c) Benzoic acid
d) Phthalic anhydride
A
d) Phthalic anhydride
47
Q
- Which of the following is not a method for preparation
of phenol?
a) Dows process
b) From diazonium salt
c) By decarboxylation of salicylic acid
d) By the decarboxylation of sodium benzoate
A
a) Dows process
47
Q
- Phenol is obtained by heating aqueous solution of
which of the following?
a) Aniline
b) Benzene diazonium chloride
c) Benzoic acid
d) Benzyl alcohol
A
b) Benzene diazonium chloride
48
Q
- Salicylaldehyde can be prepared from which of the
following reactants?
a) Phenol and chloroform
b) Phenol, chloroform and sodium hydroxide
c) Phenol, carbon tetrachloride and NaOH
d) Phenol, carbon tetrachloride
A
b) Phenol, chloroform and sodium hydroxide
48
Q
- When phenol is treated with excess of bromine water, it
gives which of the following product?
a) m-bromophenol
b) o-and p-bromophenol
c) 2,4-dibromophenol
d) 2,4,6-tribromophenol
A
d) 2,4,6-tribromophenol
49
Q
- Which of the following regents may be used to
distinguish between phenol and benzoic acid?
a) Aqueous NaOH
b) Tollen’s reagent
c) Molisch reagent
d) Neutral FeCl3
A
d) Neutral FeCl3
49
Q
- Phenol reacts with bromine in carbon disulphate at low
temperature to give which of the following product?
a) m-bromophenol
b) o-and p-bromophenol
c) p-bromophenol
d) 2,4,6-tribromophenol
A
b) o-and p-bromophenol
49
Q
- Bromine reacts with phenol and decolorize orange color
and turns it to which of the colored precipitate?
a) white precipitate
b) pink precipitate
c) blue precipitate
d) black precipitate
A
a) white precipitate
50
Q
- Bakelite is formed when phenol react with which of the
following reactant?
a) Formaldehyde
b) Hydrogen
c) Nitric acid
d) Sulphuric acid
A
a) Formaldehyde
50
Q
- What is the major product obtained on interaction of
phenol with sodium hydroxide and carbon dioxide?
a) Benzoic acid
b) Salicyladehyde
c) Salicylic acid
d) Phthalic acid
A
c) Salicylic acid
51
Q
- Picric acid is formed when phenol react with which of
the following reactant?
a) Formaldehyde
b) Hydrogen
c) Nitric acid
d) Hydrochloric acid
A
c) Nitric acid
52
Q
- Chloroethane reacts with X to form diethyl ether. What
is X?
a) NaOH
b) H2SO4
c) C2H5ONa
d) Na2S2O3
A
c) C2H5ONa
52
Q
- Phenol undergoes ionization to become more stable by
reacting with which of the following chemical species?
a) negative ions
b) positive ions
c) radicals
d) neutral atoms
A
a) negative ions
53
Q
- In which case would a Williamson ether synthesis fail?
a) sodium ethoxide + iodomethane
b) sodium ethoxide + iodoethane
c) sodium ethoxide + 2-iodopropane
d) sodium ethoxide + 2-iodo-2-methylpropane
A
d) sodium ethoxide + 2-iodo-2-methylpropane
53
Q
- The reaction given below is known as by which o the
following reaction?
C2H5ONa+IC2H5→C2H5OC2H5+NaI
a) Kolbe’s synthesis
b) Wurtz’s synthesis
c) Williamson’s synthesis
d) Grignard’s synthesis
A
c) Williamson’s synthesis
54
Q
- The Williamson ether synthesis produces ethers by
reacting which of the following?
a) alcohol with a metal
b) alkoxide with a metal
c) alkoxide with an alkyl halide
d) alkyl halide with an aldehyde
A
c) alkoxide with an alkyl halide
55
Q
- Which of the following reagents should be used to
prepare tert-butyl ethyl ether?
a) tert-butyl bromide and sodium ethoxide
b) tert-butyl alcohol and ethyl bromide
c) tert-butyl alcohol and ethanol
d) potassium tert-butoxide and ethyl bromide
A
d) potassium tert-butoxide and ethyl bromide
56
Q
- Which of the following reagents should be used to
prepare tert-butyl propyl ether?
a) 2-methylpropene and 1-propanol
b) 2-methylpropene, acetic acid and 1-propanol
c) 2-methylpropene, H2SO4 and 1-propanol
d) 1-propyl bromide and tert-butyl alcohol
A
c) 2-methylpropene, H2SO4 and 1-propanol
57
Q
- What will be the reactant and reaction condition
required for the given reaction?
CH3CH2OH +? → C2H5OC2H5
a) H2SO4, 413K
b) H2SO4, 443K
c) HNO3, 413K
d) HNO3, 443K
A
a) H2SO4, 413K
58
Q
- Which of the following is the method of preparation of
ether?
a) Dows process
b) Williamson synthesis
c) By decarboxylation of salicylic acid
d) Hock method
A
b) Williamson synthesis
59
Q
- Williamson synthesis proceed visa which of the
following mechanism?
a) SN1
b) SN2
c) E1
d) E2
A
b) SN2
60
Q
- An ether is more volatile than an alcohol having the
same molecular formula. What is the reason for this
difference?
a) dipolar character of ethers
b) alcohols having resonance structures
c) inter-molecular hydrogen bonding in ethers
d) inter-molecular hydrogen bonding in alcohols
A
d) inter-molecular hydrogen bonding in alcohols
61
Q
- The boiling point of ethyl alcohol is much higher than
that of dimethyl ether though
both have the same molecular weight. Why?
a) Ether is insoluble in water
b) Methyl groups are attached to oxygen in ether
c) Dipole moment of ethyl alcohol is less
d) Ethyl alcohol shows hydrogen bonding
A
d) Ethyl alcohol shows hydrogen bonding
61
Q
- Which of the following is the commercial method of
formation of ether?
a) Dehydration of alcohol
b) Williamson ether synthesis
c) Ullmann condensation
A
b) Williamson ether synthesis
62
Q
- Ethers may be used as solvents because they react only
with which of the following reactants?
a) Acids
b) Bases
c) Oxidising agent
d) Reducing agents
A
a) Acids
62
Q
- Select the ether among following that yields methanol
as one of the products on reaction with cold hydroiodic
acid.
a) 1-Methoxybutane
b) 1-Methoxy-2-methylpropane
alcohol. We’ll have more about that to say in a few posts
c) 2-Methoxy-2-methylpropane
d) Methoxybenzene
A
c) 2-Methoxy-2-methylpropane
63
Q
- What are the products when ethyl isopropyl ether is
cleaved with concentrated HI?
a) ethanol and 2-iodo-2-methylpropane
b) ethanol and 2-methylpropane
c) iodoethane and isopropyl alcohol
A
c) iodoethane and isopropyl alcohol
64
Q
- What are the products when tert-butyl ethyl ether is
cleaved with concentrated HI?
a) iodoethane and tert-butanol
b) iodoethane and 2-iodo-2-methylpropane
c) ethanol and 2-iodo-2-methylpropane
d) ethanol and tert-butanol
A
c) ethanol and 2-iodo-2-methylpropane
65
Q
- Which pair of products would result from the acid
cleavage of phenyl propyl ether with excess concentrated
HBr at an elevated temperature?
a) Phenol and 1-propanol
b) Bromobenzene and 1-propanol
c) Bromobenzene and 1-bromopropane
d) Phenol and 1-bromopropane
A
d) Phenol and 1-bromopropane
66
Q
- Which pair of products would result from the acid
cleavage of tert-butyl propyl ether with excess
concentrated HBr at an elevated temperature?
a) tert-butyl bromide and propyl alcohol
b) tert-butyl bromide and propyl bromide
c) tert-butyl alcohol and propyl bromide
d) 2-methyl-2-butene and propyl bromide
A
b) tert-butyl bromide and propyl bromide
67
Q
- Which of the following will be obtained by keeping
ether in contact with air for a long time?
a) C2H5−O−CH (CH3)−O−OH
b) C2H5−OCH2−OH
c) C2H5−O−C2H5OH
d) CH3−O CH (CH3)−O−OH
A
d) CH3−O CH (CH3)−O−OH
