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Question

Assertion :Glucose gets oxidised to gluconic acid on reaction with mild oxidising agent like bromine water. Reason: Glucose contains a keto group.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
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C
Assertion is correct but Reason is incorrect.
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D
Both Assertion and Reason are incorrect.
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Solution

The correct option is C Assertion is correct but Reason is incorrect.
Glucose gets oxidised to six carbon carboxylic acid (i.e. gluconic acid) on reaction with a mild oxidising agent like bromine water.
CH2OH(CHOH)4CHOGlucoseBr/H2O−−−−(HOBr)CH2OH(CHOH)4COOHGluconic acid+Br
Glucose contains aldehyde (CHO) group.
Hence, Assertion is correct but reason is incorrect.

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