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JAMB Chemistry 1988 Question 47

Question 47

Carbohydrates, Proteins and Amines

In the reaction 2(C6H10O5)n + nH2O → nC12H22O11 (diastase, 60 °C), diastase is functioning as

  1. A.a dehydrating agent
  2. B.a reducing agent
  3. C.an oxidizing agent
  4. D.a catalyst
Show the answer and explanation

Answer: D (a catalyst)

Explanation

Diastase is an enzyme, a biological catalyst. It speeds up the hydrolysis of starch to maltose without being used up.