MHT CET 2024 Chemistry question

Which from following statements is correct about saccharic acid?

(A)It contains two carboxyl and four hydroxyl groupsCorrect
(B)It contains one carboxyl group and five hydroxyl groups
(C)It contains two carboxyl groups and five hydroxyl groups
(D)It contains three carboxyl and two hydroxyl groups

Answer: (A)

Solution

Saccharic acid (glucaric acid) is obtained when glucose is oxidised with nitric acid: both the terminal aldehyde (-CHO) and the terminal primary alcohol (-CHOH) become -COOH. Its structure is , i.e. two carboxyl groups and four secondary hydroxyl groups (the six carbons are 2 COOH +

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Question ID VK-093361