Which of the following statements is `//` are correct ?

Options

A.
B.
C. The rate of catalytic hydrogenation of `(I)` is faster than that of `(III)`.
D. In `(I)`, the exo`-` approach of two `D` atoms is from the less`-` hindered side, whereas in `(III)` , the syn `[(CH_(3)`, group `)]` hinders the exo`-` approach, so the two `D` atoms are in endo`-` position.

Answer

a,c,d

Explanation

The statement `(D)` is the explanation of all parts.