P PhCOOH + PhCH2OH Q R ? The correct sequence of reagents for the preparation of Q and R is: (A) (i) Cr2O3, 770 K, 20 atm; (ii) CrO2Cl2, H3O–; (iii) NaOH; (iv) H3O– (B) (i) Mo2O3, ; (ii) CrO2Cl2, H3O–

Question

P PhCOOH + PhCH2OH Q R ? The correct sequence of reagents for the preparation of Q and R is:

(A) (i) Cr2O3, 770 K, 20 atm; (ii) CrO2Cl2, H3O–; (iii) NaOH; (iv) H3O–
(B) (i) Mo2O3, ; (ii) CrO2Cl2, H3O–; (iii) NaOH; (iv) H3O–
(C) (i) CrO2Cl2, H3O–; (ii) Cr2O3, 770 K, 20 atm; (iii) NaOH; (iv) H3O–
(D) (i) KMNO4, OH–; (ii) Mo2O3, ; (iii) NaOH; (iv) H3O–

Prashant Kotian · Accepted Answer

Correct answer: A. P atm , K O Cr 2      CH3      O H Cl CrO 2 C O H       O H ) iv ( NaOH ) iii ( Ph–COOH + PhCH2OH Cannizaro reaction

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