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An aldohexose (e.g., glucose) and 2-oxohexose (e.g., fructose) can be distinguished with the help of

Options

  1. ATollen's reagent
  2. BFehling's solution
  3. CBenedict solution
  4. DBr 2   +   H 2 O

Correct answer

D. Br 2   +   H 2 O

Step-by-step solution

an aldohexose on reaction with Br 2   +   H 2 O forms glyconic acids, H O C H 2 C H O H 4 C O O H , with open-chain glucose.

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