Match reactions of glucose with products formed
Q. Match List - I with List - II.
List - I
(Reaction of Glucose with)		 List - II
(Product formed)
A. Hydroxylamine I. Gluconic acid
B. Br2 water II. Glucose pentacetate
C. Excess acetic anhydride III. Saccharic acid
D. Concentrated HNO3 IV. Glucoxime

Choose the correct answer from the options given below :

A. A-IV, B-III, C-II, D-I
B. A-I, B-III, C-IV, D-II
C. A-III, B-I, C-IV, D-II
D. A-IV, B-I, C-II, D-III
Correct Answer: A-IV, B-I, C-II, D-III

Explanation

Glucose is an aldose sugar and shows characteristic reactions due to the presence of an aldehyde group and multiple hydroxyl groups.

A. Reaction with Hydroxylamine
Aldehyde group of glucose reacts with hydroxylamine to form an oxime. Hence, the product formed is glucoxime.

So, A → IV

B. Reaction with Br₂ water
Bromine water is a mild oxidising agent. It oxidises the aldehyde group (–CHO) of glucose to carboxylic acid without affecting the alcohol groups, forming gluconic acid.

So, B → I

C. Reaction with excess acetic anhydride
All five –OH groups of glucose get acetylated in presence of excess acetic anhydride, forming glucose pentacetate.

So, C → II

D. Reaction with concentrated HNO₃
Concentrated nitric acid is a strong oxidising agent. It oxidises both the aldehyde group and the terminal –CH₂OH group of glucose to carboxylic acids, forming saccharic acid.

So, D → III

Therefore, the correct matching is:

A-IV, B-I, C-II, D-III

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