While studying the saponification reaction, what do you observe when you mix an equal amount of colourless vegetable oil and 20% aqueous solution of NaOH in a beaker?
A
The colour of the mixture has become dark brown
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B
A brisk effervescence is taking place in the beaker
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C
The outer surface of the beaker has become hot
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D
The outer surface of the beaker has become cold
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Solution
The correct option is C The outer surface of the beaker has become hot While studying the saponification reaction the outer surface of the beaker becomes hot as the saponification reaction is exothermic in nature.