Glucose gives silver mirror test because it contains

Question

Glucose gives silver mirror test because it contains (A)  -COOH group (B) a basic group (C) a ketonic group (D) an aldehyde group

Tardigrade Admin · Accepted Answer

Glucose gives silver mirror due to the presence of aldehydic group. undersetglucose mathopC5H11O5.CHO + undersetTollen's text reagent mathop2Ag(NH3)2.OH xrightarrow[] undersetgluconic text acid mathopC5H11O5.COOH + underset beginsmallmatrix silver mirror endsmallmatrix mathop2Ag +4NH3+H2O

Q. Glucose gives silver mirror test because it contains

$- COO H$ group

a basic group

a ketonic group

an aldehyde group

Glucose gives silver mirror due to the presence of aldehydic group. $g l u cose C_{5} H_{11} O_{5} . C H O + T o ll e n^{'} s re a g e n t 2 A g (N H_{3})_{2} . O H$ $g l u co ni c a c i d C_{5} H_{11} O_{5} . COO H + s i l v er mi rror 2 A g + 4 N H_{3} + H_{2} O$