Glucose Ag2O→ X
Glucose Conc.HNO3→ Y
X. Y and X respectively are:
HOOC - (CHOH)4 - CH2OH, HOOC - (CHOH)4 - COOH
Conc HNO3 is strong oxidising agent which oxidises both aldehydes as well as 10 alcoholic group where as Tollen'sreagent(Ag2O) oxidises only aldehyde group and gives gluconic acid.
GLUCONIC ACID