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A student puts a drop of reaction mixture of a saponification reaction first a blue litmus paper and then on a red litmus paper. He may observe that:- There is no change in the blue litmus paper and the red litmus paper turns white.
- There is no change in the red litmus paper and the blue litmus paper turns red.
- There is no change in the blue litmus paper and the red litmus paper turns blue.
- No change in colour is observed in both the litmus papers.
Correct Answer: (c) There is no change in the blue litmus paper and the red litmus paper turns blue.
Explanation: Saponification is the alkaline hydrolysis of the fatty acid esters. Hence, on dipping red litmus paper in a mixture of saponification reaction, it turns blue but blue litmus paper will show no change.
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