Which of the statements are correct?
`R--=-R^'underset(+EtOH)overset(Na+liq. NH_3)rarr(A)overset(Br_2//C Cl_4)rarrB+C`
where (B) and (C) are:

Options

A. (a) Enantiomers if `R!=R^'`.
B. (b) Diastereomers if `R!=R^'`.
C. (c) Both are meso and hence the same compound if `R=R^'`.
D. (d) An equimolar mixture of (B) and (C) is a racemic mixture if `R!=R^'`.

Answer

A, C, D

Explanation

If R and `R^'` are different (i.e., `R!=R^'`)
(If `R=Me`, `R^'=Et`):