Hydrocarbons Question 284

Question: Arrange the following in decreasing order of reactivity towards EAS (electrophilic aromatic substitution)

Options:

A) a > b > c

B) c > b > a

C) a > c > b

D) c > a > b

Show Answer

Answer:

Correct Answer: A

Solution:

[a] $ -CH_3>-CD_3>-CT_3 $ Order of hyperconjugation on the basis of bond energy.

Strong bond means less hyperconjugation.