Consider the following reaction.R = −CH3 or −C(CH3)3Which statement(s) below is(are) corre...

Consider the following reaction.

R = −CH3 or −C(CH3)3

Which statement(s) below is(are) correct?

I. X is the major product based on Zaitsev's rule.

II. The X:Y ratio is greater when R = −CH3 than when R = −C(CH3)3.

III. The X:Y ratio is greater when R = −C(CH3)3 than when R = −CH3.

A) I and II

B) I and III

C) only II

D) only III