What does the following reaction shows about the structure of glucose?
A
It shows the presence of carbonyl group in glucose
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B
It shows the presence of primary alcoholic group in glucose
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C
It shows the presence of ring structure in glucose
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D
None of the above
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Solution
The correct option is A It shows the presence of carbonyl group in glucose Glucose gets oxidised to cyanohydrin in reaction with HCN. This indicates that the carbonyl group is present in glucose. Thus (a) is correct option.