DAT DAT - Dental Admission Organic Chemistry: Functional Groups

Question 1

Which functional group is characteristic of an aldehyde?

Accepted Answer

-CHO

Answer

-OH

Answer

-COOH

Answer

-NH₂

Question 2

A compound containing the -NH₂ functional group is classified as:

Accepted Answer

An amine

Answer

An alcohol

Answer

A ketone

Answer

An ester

Question 3

The functional group -COOH is found in which class of organic compounds?

Accepted Answer

Carboxylic acids

Answer

Esters

Answer

Alcohols

Answer

Ethers

Question 4

What type of functional group is present in ethanol (CH₃CH₂OH)?

Accepted Answer

Alcohol

Answer

Ether

Answer

Amine

Answer

Ketone

Question 5

Esters are formed by the condensation reaction between:

Accepted Answer

An alcohol and a carboxylic acid

Answer

Two alcohols

Answer

An aldehyde and a base

Answer

Two carboxylic acids

Question 6

Which functional group is present in a ketone?

Accepted Answer

An internal C=O flanked by two carbons

Answer

-CHO (terminal carbonyl)

Answer

-COOH

Answer

-COO-