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Chemistry > Alcohol , Phenol & Ether > Flashcards

Alcohol , Phenol & Ether Flashcards

1
Q

What is common name for 2-Methyl Phenol

A

Cresol

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2
Q

What is common name for Benzene 1,2 diol

A

Catechol

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3
Q

What is common name for Benzene 1,3 diol

A

Resorcinol

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4
Q

What is common name for Benzene 1,4 diol

A

Quinol

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5
Q

What is common name for Propane 1,2,3 triol

A

Glycerol

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6
Q

State acid catalysed hydration

A

R=R + H2O == R-ROH
(If unsymmetric then Markovnikov rule)
(Possibility of rearrangement)

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7
Q

State HBO

A

R=R + (BH3)2 == R-OH + B(OH)3

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8
Q

What is reduction of aldehydes

A

RCHO + LiAlH4 == RCH2OH

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9
Q

What is reduction of Ketones

A

RCOR + LiAlH4 == R-CH-OH-R

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10
Q

What is reduction of carboxylic acid

A

RCOOH + LiAlH4 + H2O == RCH2OH

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11
Q

How to make alcohol from Grignard reagent

A

RCHO + R’MgX + H2O == R(R’)-CH-OH + Mg(OH)X
RCOR + R’MgX + H2O == R(R)(R’)C-OH + Mg(OH)X

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12
Q

Convert Haloarene to phenol

A

Haloarene +NaOH ==C6H5ONa + HCl == Phenol

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13
Q

Convert benzenesulphonic acid to phenol

A

Benzene + Oleum == benzenesulphonic acid + NaOH + H+ == Phenol

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14
Q

Convert BDC to phenol

A

BDC + Warm Water == phenol + N2 + HCl

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15
Q

What is Cumene

A

Iso-Propyl-Benzene

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16
Q

Convert Cumene into Phenol

A

Cumene + O2 == Cumene Hydroperoxide + H3O+ == Phenol + CH3COCH3

17
Q

State Physical Properties of alcohol and phenol

A

Boiling Point:
Inc with inc in no. of C atom
Dec with inc in branching (in alcohol)
Solubility:
Dec with inc in size of parent chain

18
Q

How to make sodium alkoxide

A

2ROH + 2Na == 2RONa +H2

19
Q

How to make sodium phenoxide

A

2phenol + 2Na == 2C6H5ONa + H2

20
Q

State Esterification Rxn

A

Ar/ROH + R’-COOH == Ar/ROCOR’ + H2O
Ar/ROH + R’COCl + Pyridene == Ar/ROCOR’

21
Q

IUPAC name of Salicylic acid

A

2 hydroxy benzene carboxylic acid

22
Q

What is acetylation of salicylic acid

A

Salicylic acid + (CH3CO)2O == 2 methanoyloxy benzene carboxylic acid(Asprin)

23
Q

Why is Pyridine used in the esterification of Ar/ROH with HCl

A

To neutralise HCl which is formed during the rxn

24
Q

State Kolbe’s Rxn

A

Phenol + NaOH == sodium phenoxide
sodium phenoxide + CO2 == Salicylic acid

25
Q

State RTR

A

phenol + CHCl3 + NaOH == 2methanal phenoxide + LiAlH4 == Salicylaldehyde

26
Q

Rxn of phenol with Zn dust

A

phenol + Zn == Benzene + ZnO

27
Q

How to make benzene quinone

A

phenol + Na2Cr2O7 + H2SO4 == Benzoquinone

28
Q

What is anisole

29
Q

State williamson synthesis

A

RX + RONa == ROR + NaX

30
Q

How is Commercially ethanol produced

A

C12H22O11 + H2O + Invertase == Glucose
glucose + Zymase == Ethanol

31
Q

State dehydration rxn of alcohols

A

ethanol + H2SO4(443K) == CH2=CH2
ethanol + H2SO4(413K) == Diethyl Ether

Chemistry (4 decks)

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