CH3−CHO→AgNH32+A→C2H5BrB; The compound ‘B’ is
CH3COOH
CH3CH2OCH2CH3
CH3OCH2CH3
CH3COOC2H5
CH3−CHO→AgNH32+CH3COOAg→C2H5BrCH3COOC2H5+AgBr