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JEE PYQ: Aldehydes And Ketones Question 30

Question 30 - 2019 (10 Apr Shift 1)

$\text{C}_6\text{H}_5\text{CHO} + \text{HCHO} \xrightarrow{\text{50% NaOH, then H}_3\text{O}^+}$ ?

(1). (PhCH$_2$OH + PhCOOH)

(2). (CH$_3$OH + benzoate)

(3). (HCOOH + PhCH$_2$OH)

(4). (CH$_3$OH + HCO$_2$H)

Show Answer

Answer: (3)

Solution

Crossed Cannizzaro: HCHO is oxidized to HCOO$^-$ (formate) and PhCHO is reduced to PhCH$_2$OH (benzyl alcohol).


Learning Progress: Step 30 of 49 in this series