Which of the following does not reduce Benedict's solution?
A
Sucrose
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B
Aldehyde
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C
Glucose
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D
Fructose
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Solution
The correct option is B Sucrose
Sucrose..
Because Sucrose (table sugar) contains two sugars (fructose and glucose) joined by their glycosidic bond in such a way as to prevent the glucose isomerizing to aldehyde, or the fructose to alpha-hydroxy-ketone form. Sucrose is thus a non-reducing sugar which does not react with Benedict's reagent.