Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Organic Chemistry > Reagents > Flashcards

Reagents Flashcards

1
Q

What is the function of PCl in organic reactions?

A

Converts alcohols into alkyl chlorides

PCl is commonly used for converting alcohols to alkyl halides.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does PBr3 do in organic synthesis?

A

Converts alcohols into alkyl bromides

PBr3 is a reagent for halogenating alcohols.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the outcome of using H3PO2 in reactions?

A

Reduces diazonium chloride into benzene

H3PO2 is commonly known as phosphorous acid.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which reagent is used for the alkylation of benzene?

A

Alkyl halides

Alkyl halides react with benzene in the presence of a catalyst to form alkylated products.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does the reaction of benzene with Br2/FeBr3 produce?

A

Bromobenzene

This is a typical electrophilic aromatic substitution reaction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Fill in the blank: Alcohols can be converted into _______ using concentrated H2SO4.

A

Alkenes

This is achieved through dehydration of alcohols.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the purpose of diazotisation in organic chemistry?

A

To convert amines into diazonium salts

Diazotisation is a key step in preparing aryl compounds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

True or False: NaOH can convert alkyl halides into alkanes.

A

True

This reaction typically involves a nucleophilic substitution mechanism.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the role of NaBH4 in organic synthesis?

A

Reduces aldehydes and ketones to alcohols

NaBH4 is a milder reducing agent compared to LiAlH4.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does the reaction of ketones with H2/Pd produce?

A

Alkane

This reaction involves hydrogenation of the alcohol.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Fill in the blank: The conversion of phenol to sodium phenoxide requires _______.

A

Sodium

This reaction is a typical acid-base reaction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the result of acylation on phenol?

A

Formation of phenyl esters

Acylation typically involves the introduction of an acyl group.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What does the reaction of cumene yield?

A

Phenol

Cumene is oxidized to yield phenol via a specific process.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the function of alcoholic KOH in organic reactions?

A

Converts alkyl halides to alcohols

Alcoholic KOH facilitates the elimination reaction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

List the products of nitration of benzene.

A
  • Nitrobenzene
  • Can lead to further substitutions

Nitration involves the introduction of a nitro group onto the benzene ring.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which reagent is used for the conversion of alkenes into alcohols?

A

BH3/H2O/OH

This reaction typically follows hydroboration-oxidation.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What does the reaction with AgF produce?

A

Alkyl fluorides

AgF is used to introduce fluorine into organic compounds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Fill in the blank: The conversion of alcohols into ethers can be achieved using _______.

A

Concentrated H2SO4

This reaction typically involves the dehydration of alcohols.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is the outcome of using H2SO4/HNO3 on benzene?

A

Nitration of benzene

This process introduces a nitro group onto the aromatic ring.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

At what temperature are alcohol converted into ethers by conc. H2SO4

A

410K

This process typically involves the dehydration of alcohols in the presence of an acid catalyst.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What reagent is used for the conversion of primary alcohols into alkenes?

A

Conc. H2SO4 at 443K

Tertiary alcohols undergo dehydration to form alkenes under acidic conditions.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Fill in the blank: The conversion of tertiary alcohols into alkenes typically requires _______.

A

80% conc. H3PO4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is the process to convert aldehydes and ketones into alcohols?

A

Reduction

Common reducing agents include NaBH4 and LiAlH4.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the method for converting phenols into sodium phenoxide?

A

Reaction with sodium

Sodium reacts with phenols to form sodium phenoxide.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What is the result of acylation on phenol?

A

Phenolic esters

Acylation introduces an acyl group into the phenol structure.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

True or False: Alkyl halides can be converted directly into alkanes.

A

True

This is often achieved through reduction reactions.

27
Q

What reaction converts cumene to phenol?

A

Hydrolysis

Cumene hydroperoxide is decomposed to yield phenol.

28
Q

What type of product is formed from the reaction of alkenes with H2 and a catalyst?

A

Alkanes

This is known as hydrogenation of alkenes.

29
Q

What is the role of H2/Pd in organic reactions?

A

Reduction

H2/Pd is commonly used to reduce alkenes and carbonyl compounds.

30
Q

Fill in the blank: The nitration of benzene is achieved using _______ and _______.

A

H2SO4, HNO3

31
Q

What is the outcome of the sulphonation of benzene?

A

Benzene sulfonic acid

This process introduces a sulfonic acid group onto the benzene ring.

32
Q

What is the product of the reaction of alkyl halides with AgF?

A

Alkyl fluorides

This reaction results in the formation of alkyl fluorides from alkyl halides.

33
Q

What is the purpose of using NaOH in organic synthesis?

A

Base for reactions

NaOH can act as a strong base in various organic reactions.

34
Q

Name the catalyst used for bromination of benzene?

A

Br2/FeBr3

Bromination introduces a bromine atom to the benzene ring.

35
Q

What reagent is used for the alkylation of benzene?

A

Alkyl halide and AlCl3

This is a Friedel-Crafts alkylation reaction.

36
Q

What is the process for converting isocyanides into amines?

A

Hydrolysis

Isocyanides can be converted to amines through hydrolysis.

37
Q

Fill in the blank: The conversion of alkenes into alcohols can be achieved through _______ reactions.

38
Q

What happens during the acylation of benzene?

A

Formation of ketones

Acylation introduces an acyl group, resulting in ketone formation.

39
Q

What is the reagent used in the nitration of benzene?

A

H₂SO₄/HNO₃

Commonly used reagents for nitration reactions.

40
Q

What is the process of converting alkenes into alcohols called?

A

Hydration

This can involve various methods, including acid-catalyzed reactions.

41
Q

What reagent is used to reduce aldehydes and ketones into alcohols?

A

NaBH₄ or LiAlH₄ (LAH)

These are common reducing agents in organic chemistry.

42
Q

Fill in the blank: The conversion of primary alcohols into _______ involves dehydration.

A

Alkenes

This process typically requires an acid catalyst.

43
Q

What is the product of the reaction of cumene in the phenol production process?

A

Phenol

Cumene is oxidized to produce phenol and acetone.

44
Q

What is the outcome of the acylation of phenol?

A

Phenolic esters

This reaction introduces an acyl group to the phenol.

45
Q

True or False: Alcohols can be converted into ethers.

A

True

This transformation is known as etherification.

46
Q

What is the reaction of alcohol or phenol with sodium called?

A

Formation of sodium alkoxide or phenoxide

This reaction is used to generate reactive intermediates.

47
Q

What type of alcohol is converted into an alkene through dehydration?

A

Tertiary alcohol

Tertiary alcohols dehydrate more readily than primary or secondary alcohols.

48
Q

What is the process of converting alkyl halides into alcohols called?

A

Nucleophilic substitution

This can involve reactions with hydroxide ions.

49
Q

What is the significance of the anti-Markownikoff product in hydration?

A

Formation of alcohol from alkenes

This refers to the regioselectivity in certain hydration reactions.

50
Q

Fill in the blank: The reduction of nitriles and isocyanides yields _______.

A

Amines

This is a common transformation in organic synthesis.

51
Q

Which methods are used for the sulfonation of benzene?

A

H₂SO₄

This introduces a sulfonic acid group onto the benzene ring.

52
Q

What is the reagent used for alcoholic KOH reactions?

A

KOH in alcohol

This is typically used for elimination reactions.

53
Q

What is the outcome of the reaction of secondary alcohols under dehydration conditions?

A

Alkenes

Secondary alcohols can also undergo elimination to form alkenes.

54
Q

What does the conversion of aldehydes and ketones into alcohols involve?

A

Reduction reactions

This typically uses reducing agents like NaBH₄ or LiAlH₄.

55
Q

What is the process of reducing aldehydes and ketones?

A

Reduction of aldehydes, ketones into alcohols

This refers to the transformation of carbonyl compounds into their corresponding alcohols.

56
Q

What is the conversion of cumene to?

A

Phenol

Cumene is oxidized to produce phenol, a key industrial chemical.

57
Q

What is produced when alcohol or phenol reacts with sodium?

A

Sodium alkoxide/Phenoxide

This reaction forms alkoxide ions which are important in organic synthesis.

58
Q

What type of acylation occurs on phenol?

A

O acylation

This involves the introduction of an acyl group onto the oxygen of the phenol.

59
Q

What type of acylation occurs on aniline?

A

N acylation

This involves the introduction of an acyl group onto the nitrogen of the aniline.

60
Q

How can primary alcohols be converted?

A

Into alkenes

This conversion typically involves dehydration reactions.

61
Q

What is the conversion of alcohols into?

A

Ethers

This can be achieved through reactions such as the Williamson ether synthesis.

62
Q

How can secondary alcohols be transformed?

A

Into alkenes

This transformation is usually done via dehydration.

63
Q

How can tertiary alcohols be converted?

A

Into alkenes

Tertiary alcohols can undergo elimination reactions to form alkenes.

64
Q

What can alkyl halides be converted into?

A

Alkenes

This conversion typically involves elimination reactions such as dehydrohalogenation.

Organic Chemistry (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions