JEE PYQ: Aromatic Compounds Question 10
Question 10 - 2020 (06 Sep Shift 2)
The correct match between Item-I (starting material) and Item-II (reagent) for the preparation of benzaldehyde is:
(I) Benzene, (II) Benzonitrile, (III) Benzoyl Chloride (P) HCl and $\text{SnCl}_2$, $\text{H}_3\text{O}^+$; (Q) $\text{H}_2$, Pd-$\text{BaSO}_4$, Quinoline/S; (R) CO, HCl and $\text{AlCl}_3$
(1) (I)-(Q), (II)-(R), (III)-(P)
(2) (I)-(P), (II)-(Q), (III)-(R)
(3) (I)-(R), (II)-(P), (III)-(Q)
(4) (I)-(R), (II)-(Q), (III)-(P)
Show Answer
Answer: (3)
Solution
(I) Benzene → Gattermann-Koch [R]; (II) Benzonitrile → Stephen’s reduction [P]; (III) Benzoyl chloride → Rosenmund reduction [Q].
BETA
