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Functional Group Analysis (SBA AI Prep)

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

T is a white solid which easily dissolves in water to form a colourless solution. T is most likely:

a)

Phenol

b)

Glycine

c)

2-propanol

d)

2-pentene

2.

Sample T was added to water and stirred until no further changes. Use the observation shown to identify T.

a)

Alcohol

b)

Carboxylic acid

c)

Amine

d)

Alkene

3.

The observation shown was obtained when sample J was added to water and resulting mixture tested with litmus. Which of the following inferences can be made?

J may be

a)

an alcohol or amine

b)

a carboxylic acid or alcohol

c)

an aldehyde, ketone or carboxylic acid

d)

a carboxylic acid or phenol

4.

Fehlings/Benedicts solution was added to Sample M which was heated gently. Use observation shown to identify the correct inference.

a)

M is an NOT an aldehyde

b)

M is a carbonyl compound

c)

M is a ketone.

d)

M is an aldehyde

5.

Sample X gave the results shown. It is most likely

a)

propanal

b)

propanone

c)

ethanal

d)

phenol

6.

Sodium metal was added to sample P and effervescence occurred. Which of the following would be the best inference?

a)

P may be a carboxylic acid

b)

P may be a carboxylic acid, alcohol or phenol

c)

P may be a carboxylic acid or phenol

d)

P may be a carboxylic acid or aldehyde

7.

Sodium carbonate was added to sample P and effervescence occurred. Which of the following would be the best inference?

a)

P may be a carboxylic acid

b)

P may be a carboxylic acid, alcohol or phenol

c)

P may be a carboxylic acid or phenol

d)

P may be a carboxylic acid or aldehyde

8.

The observation shown was obtained when sample V was added to water and resulting mixture tested with litmus. Which of the following inferences can be made?

V may be

a)

alcohol or amine

b)

an amine

c)

an aldehyde, ketone

d)

amine or amide

9.

Compound W turned purple acidified KMnO4 colourless. Identify the best inference.

a)

W is an alkene or alcohol

b)

W is an alcohol

c)

W is a ketone

d)

W is an alkane or alcohol

10.

Sample F slowly decolourises Br2 solution in diffused sunlight. What is the best inference?

a)

F is an alkane

b)

F is an alkene

c)

F may be an alkane or alkene

d)

F may be an alcohol

11.

Sample Z gave the results shown. It is most likely

a)

butanone

b)

butanal

c)

butanoic acid

d)

1-butanol

12.

Propanoic acid was heated with sample L in the presence of concentrated H2SO4

and a sweet smelling compound was formed. What was L most likely?

a)

An ester

b)

An alcohol

c)

An acid halide

d)

a ketone