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CH₃CHO can be prepared by
$\begin{array}{l} (I) {CH}_{3} COCl + H_{2} \overset{Pd / {BaSO}_{4}}{\to} {CH}_{3} CHO + HCl \\ (II) {CH}_{2} = {CH}_{2} + O_{2} \to_{in water}^{Pd (II) / Cu (II)} {CH}_{3} CHO \end{array}$
Which of the above is in accordance with NGT rules?

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Only II

Only I

Both (1) and (2)

None of these

answer is A.

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Detailed Solution

Method I uses Pd/BaSO₄ . BaSO₄ causes toxic problems in water. Hence, this synthesis is not in accordance with NGT rules. Method II is desirable.

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