The colour change to be observed in step IV is?

A student used the following steps in testing for a non-reducing sugar.

I. added Benedict’s solution to the sugar solution

ll. added dilute hydrochloric acid to the sugar and boiled it;

lll. added sodium hydroxide solution to the solution in ll. and boiled;

IV. added Benedict’s solution to the cooled solution in lll.

Use this information above to answer the question.

A. blue-black B. brick-red C. purple D. violet

Correct Answer: Option B

B. brick-red

Explanation

A positive test with Benedict’s reagent is shown by a color change from clear blue to a brick-red precipitate.