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Question

Match the following functional group test for glucose

A
6 C's linked linearly
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B
Presence of CHO group
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C
Presence of CH2OH group
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D
Presence of 5OHgroup
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Solution

Glucose HNO3−−dicarboxylic acid
shows the presence ofCH2OH group in glucose.

GlucoseAcetic anhydride−−−−−−−− Glucose pentacetateshows presence of 5OHgroup in glucose.

Glucose in the presence ofmild oxidising reagent like Tollen's reagent givescarboxylic acid which showsthe presence of aldehyde group.

On heating glucose with HI ,it gives nhexane which shows the presence of linearly linked 6 carbons in glucose.

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