Question

Class 10ChemistryCarbon and Its Compounds

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:

  1. Both A and R are true, and R is correct explanation of the assertion.
  2. Both A and R are true, but R is not the correct explanation of the assertion.
  3. A is true, but R is false.
  4. 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.

Verified 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.