Homologous Series

Author:Ravi Shankar Sharma, Subha Raghavan & Nidhi Sharma
10th CBSE
IMPORTANT

Homologous Series: Overview

The topic describes the homologous series that have the same functional groups, the same chemical properties but differ by a –CH2 group. All members are represented by the same general formula. The molecular mass of successive members differs by 14u.

Important Questions on Homologous Series

EASY
IMPORTANT

Identify the functional group in the following compound :

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(-COO- /  C=O / OCH3 )

EASY
IMPORTANT

Identify the functional group in the following compound:

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(Carbonyl group / Carboxylic acid / Aldehyde)

EASY
IMPORTANT

Identify the functional group in the following compound :

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EASY
IMPORTANT

Identify the functional group in the following compound :

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EASY
IMPORTANT

Identify the functional group in the following compound: (Ketone / Aldehyde)
H-CO||-CH|H|-H

EASY
IMPORTANT

Identify the functional group in the following compound: (Ester/ Carboxylic acid)

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EASY
IMPORTANT

Identify the functional group in the following compound: (Carboxylic acid/ Ester)

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EASY
IMPORTANT

Identify the functional group in the following compound: (Methyl/ Chloro)

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EASY
IMPORTANT

Identify the functional group in the following compound :

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EASY
IMPORTANT

Identify the general formula for alkyl groups cm.

A: CnH2n+2  B: CnH2n C: CnH2n+1

(Enter your correct answer as A, B or C)

EASY
IMPORTANT

What are the functional groups of the different classes of organic compounds?

MEDIUM
IMPORTANT

List any three functional groups with their structure.

EASY
IMPORTANT

Define homologous series.

EASY
IMPORTANT

Explain the different classes of organic compounds with an example each.

MEDIUM
IMPORTANT

What are the functional group of the different classes of organic compounds?

HARD
IMPORTANT

Give the general formula of the different classes of organic compounds?

EASY
IMPORTANT

Name the alkyl group of:
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EASY
IMPORTANT

Illustrate terminal and non-terminal functional groups with examples.

MEDIUM
IMPORTANT

List any three functional groups with their structure.