Glucose + Tollen's reagent `to` silver mirror. The process shows:

Options

A. presence of `- COOH` group
B. presence of ketone group
C. presence of `- CHO` group
D. presence of - `CONH_2` group

Answer

C

Explanation

`{:(undersetundersetunderset" Glucose"(" "CH_2OH)|oversetoverset(" "CHO)|(" "(CHOH)_4)+,underset"Tollen's reagent"(2[Ag(NH_3)_2OH])to,undersetunderset(" "CH_2OH)|oversetoversetoverset(" "-+)(" "COONH_4)|( " "(CHOH)_4),+underset"Silver mirror"(2Ag darr)):}`
This reaction indicates the presence of - CHO groups in glucose.