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MHT CET 2021 Chemistry Solved Paper
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Question : 4
Total: 100
Formation of gluconic acid from glucose by oxidation using
B
r
2
water
glucose contains five hydroxyl groups.
the presence of aldehyde group in glucose.
glucose contains one primary alcoholic group.
the six carbon atoms of glucose are in a straight chain.
Validate
Solution:
Glucose gets oxidised to six carbon. Carboxylic acid (gluconic acid) on reaction with a mild oxidising agent like bromine water. This indicates that the carbonyl group is present as an aldehyde group.
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