First slide

Glucose

Question

$Glucose \overset{Conc . {HNO}_{3}}{\to} X; Glucose \overset{{[Ag {({NH}_{3})}_{2}]}^{+}}{\to} Y;$ X and Y respectively ar

Moderate

A

$HOOC - {({CH}_{2})}_{4} - CHO, HOOC - {({CH}_{2})}_{4} - COOH$
B

$HOOC - {(CHOH)}_{4} - CHO, HOOC - {(CHOH)}_{4} - {CH}_{2} OH$
C

$HOOC - {(CHOH)}_{4} - COOH, HOOC - {(CHOH)}_{4} - {CH}_{2} OH$
D

$HOOC - {({CH}_{2})}_{4} - COOH, HOOC - {({CH}_{2})}_{4} - {CH}_{2} OH$

Solution

$OHC - {(CHOH)}_{4} - {CH}_{2} OH \overset{Tollen reagent}{\to} HOOC - {(CHOH)}_{4} - {CH}_{2} OH$
Conc nitric acid oxidises both aldhyde group and primary alcohol group to carboxylic acid.
Tollens reagent is a mild oxidant, it oxidizes only aldhyde group to carboxylic acid

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