CBSE Class 10 Science 2020 Outside Delhi Set 1

Question : 13 of 30

Marks: +1, -0

Assertion (A) : Following are the members of a homologous series :

{\CH}_3 {\OH}, {\CH}_3 {\CH}_2 {\OH}, {\CH}_3 {\CH}_2 {\CH}_2 {\OH}

Reason (R) : A series of compounds with same functional group but differing by

{\CH}_2

- unit is called a homologous series.

Both (A) and (R) are true and (R) is correct explanation of the assertion.
Both (A) and (R) are true but (R) is not the correct explanation of the assertion.
(A) is true but (R) is false.
(A) is false but (R) is true.

Solution:

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