Multiple choice

Assertion: During cracking of alkanes, C-C rather than C-H bonds break. Reason: The bond dissociation energy of C-C bond is lower than that of C-H bond.

  1. Both A and R are true and R is the correct explanation of A.

  2. Both A and R are true but R is not the correct explanation of A.

  3. A is true but R is false.

  4. A is false but R is true.

  5. Both A and R are false.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This option is correct because the bond dissociation energy of C-C bond (347-356 KJ/mole) is less than that of C-H bond (410 KJ/mole).