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  • In the following question, two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these question from the codes (a), (b), (c) and (d) as given below : Assertion (A) :

In the following question, two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select
the correct answer to these question from the codes (a), (b), (c) and (d) as given below : 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.
Option: 1 Both (A) and (R) are true and (R) is correct explanation of the assertion.
 
Option: 2 Both (A) and (R) are true but (R) is not the correct explanation of the assertion.
 
Option: 3 (A) is true but (R) is false.
 
Option: 4 (A) is false but (R) is true.

Answers (1)

1.CH_{3}OH, CH_{3}CH_{2}OH, CH_{3}CH_{2}CH_{2}OH  are the members of a homologous series.
2. A series of compounds with the same functional group but differing by – CH_{2} – unit is called a homologous series.

Both (A) and (R) are true and (R) is the correct explanation of the assertion

Hence Option A is correct. 

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Safeer PP

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