The compound P (shown below) is converted to PhCOOH (Q) and PhCH_2OH (R): [figure] The correct sequence of reagents for the preparation of Q and R is:

(i) Cr_2O_3, 770 K, 20 atm; (ii) CrO_2Cl_2, H_3O^+; (iii) NaOH; (iv) H_3O^+

(i) CrO_2Cl_2, H_3O^+; (ii) Cr_2O_3, 770 K, 20 atm; (iii) NaOH; (iv) H_3O^+

(i) KMnO_4, OH^-; (ii) Mo_2O_3, Δ; (iii) NaOH; (iv) H_3O^+

(i) Mo_2O_3, Δ; (ii) CrO_2Cl_2, H_3O^+; (iii) NaOH; (iv) H_3O^+

The compound P (shown below) is converted to PhCOOH (Q) and… — JEE Main 2023 Chemistry PYQ

JEE Main 2023 · 25 Jan · Shift 1

The compound P (shown below) is converted to PhCOOH (Q) and PhCH

_2

OH (R):

The correct sequence of reagents for the preparation of Q and R is:

A.
(i) $\text{CrO}_2\text{Cl}_2$ , $\text{H}_3\text{O}^+$ ; (ii) $\text{Cr}_2\text{O}_3$ , 770 K, 20 atm; (iii) NaOH; (iv) $\text{H}_3\text{O}^+$
B.
(i) $\text{KMnO}_4$ , $\text{OH}^-$ ; (ii) $\text{Mo}_2\text{O}_3$ , $\Delta$ ; (iii) NaOH; (iv) $\text{H}_3\text{O}^+$
C.
(i) $\text{Cr}_2\text{O}_3$ , 770 K, 20 atm; (ii) $\text{CrO}_2\text{Cl}_2$ , $\text{H}_3\text{O}^+$ ; (iii) NaOH; (iv) $\text{H}_3\text{O}^+$
D.
(i) $\text{Mo}_2\text{O}_3$ , $\Delta$ ; (ii) $\text{CrO}_2\text{Cl}_2$ , $\text{H}_3\text{O}^+$ ; (iii) NaOH; (iv) $\text{H}_3\text{O}^+$

Show answer

Correct option: C

[JEE Main 2023 · 25 Jan · Shift 1]

Practise Aldehydes Ketones and Acids the way it is asked

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