Doubt from Order of reactivity towards dehydration

#1

#2

B
See hyperconjugation

#3

1 Like
#4

B is the answer by considering hyperconjugation and in no.2 H atom displaces to give most stabilized structure.

#5

Your correct answer will be B.
for these type of questions you just simply look at the stability of carbocation.
higher the stability of carbocation, greater is the reactivity towards dehydration.