Assertion (A) : Free radical chlorination of n – butane gives 72% of 2 – chlorobutane and 28% of 1 – chlororbutane though it has six primary and four secondary hydrogen atoms
Reason (R) : A secondary hydrogen is substituted more easily than the primary hydrogen atoms

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

Both A and R are true and R is not correct explanation of A

A is true but R is false

Both A and R are false

Both A and R are true and R is correct explanation of A

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

During free radical substitution of ‘H’ in alkane with halogen, the order of reactivity of
halogen with primary, secondary and teritiary hydrogen is 1 : 3.5 : 5 respectively

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Get Expert Academic Guidance – Connect with a Counselor Today!