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.
