MCQ
.
- A
- ✓
- C
- D
✓
Answer
Correct option: B.
b
$\mathop {{\text{Ph}} - {\text{CN}}}\limits_{(A)} $ $\mathop {{\text{Ph - CHO}}}\limits_{(B)} $ $\mathop {{\text{Ph}} - {\text{CH}} = {\text{CH}} - {\text{COOH}}}\limits_{(C)} $
$\mathop {{\text{Ph}} - {\text{CN}}}\limits_{(A)} $ $\mathop {{\text{Ph - CHO}}}\limits_{(B)} $ $\mathop {{\text{Ph}} - {\text{CH}} = {\text{CH}} - {\text{COOH}}}\limits_{(C)} $
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