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

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.

Assertion: Olefins have the general formula CnH2n+1.
Reason: There is at least one double bond between two carbon atoms in their molecules.

Question

For question two statements are given- one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below:

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.

Assertion: Olefins have the general formula CnH2n+1.
Reason: There is at least one double bond between two carbon atoms in their molecules.

Shiksha Nation · Accepted Answer

(d) A is false, but R is true.
Explanation:
Olefins are unsaturated hydrocarbons. There is at least one double bond between two carbon atoms in their molecules and they have the general formula CnH2n.

Verified Answer