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  4. Glucose gives silver mirror with ammoniacal silver nitrate because it has

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Q. Glucose gives silver mirror with ammoniacal silver nitrate because it has

MHT CETMHT CET 2007Biomolecules

Solution:

Glucose gives silver mirror with ammoniacal silver nitrate due to the presence of -CHO group (aldehyde group) in the structure of glucose.

$CH_2 OH(CHOH)_4 CHO + Ag_2 O \longrightarrow $

$\underset {\text{gluconic acid}}{CH_2 OH(CHOH)_4} - COOH + \underset {\text{silver mirror}}{2Ag \downarrow} $