question_answer

Reactivity of hydrogen atoms attached to different carbon atoms in alkanes has the order

A) Tertiary > Primary > Secondary

B) Primary > Secondary > Tertiary

C) Both [a] and [b]

D) Tertiary > Secondary > Primary.

Correct Answer: D

Solution :

[d] The reactivity of H-atoms depends upon the stability of free radicals follows the order: Tertiary > secondary > primary, therefore, reactivity of H-atoms follows the same order, i.e., tertiary> secondary > primary.