GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the homologous series below does not contain C=O?
A
Aldehyde
B
Ester
C
Amide
D
Ether
Explanation: 

Detailed explanation-1: -Amines do not contain a carbonyl group.

Detailed explanation-2: -Ethers are compounds with an oxygen atom bonded to two alkyl groups. Aldehydes and ketones contain the carbonyl functional group. So ether is not a carbonyl compound but another class of organic compound.

Detailed explanation-3: -Answer and Explanation: A carbonyl group is a functional group that contains an oxygen atom doubly-bonded to a carbon. From the choices, only alcohol does not contain an alcohol group because its oxygen atom is only singly-bonded to a carbon atom and a hydrogen atom.

Detailed explanation-4: -Methyl ether is the first compound of the homologous series of ether. It is the second member of the homologous series of ether. The formula of methyl ethyl ether is shown below.

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