The percentage weight of carbon in the product formed when acetic acid reacts with hydrogen in the presence of nickel at high temperature and under pressure is :

75%

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52%

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90%

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60%

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Solution

The correct option is A 52%
The required reaction is:

$C H_{3} C O O H H_{2} / N i - --- \to C H_{3} C H_{2} O H$

The product formed is ethanol.

The weight percentage of C $= \frac{12}{46} \times 100 = 52$ %

Therefore, it contains $52$ % carbon.

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