Wacker process is an industrial process for the oxidation of terminal alkenes. Which of the following represents a true statement about the product ?

The product is an aldehyde with same number of carbon atoms as in the alkene

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The product is a ketone with same number of carbon atoms as in the alkene

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The product is an oxirane with same number of carbon atoms as in the alkene

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The product is a terminal alcohol as the net reaction is hydration of an alkene

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Solution

The correct options are
A The product is an aldehyde with same number of carbon atoms as in the alkene
B The product is a ketone with same number of carbon atoms as in the alkene
Alkene can directly be oxidised to their corresponding aldehydes and ketones by treating them with a solution of $P d C l_{2}$ containing a catalytic amount of $C u C l_{2}$ in the presence of air or oxygen. This process is known as Wacker process.
Examples of Waker Process are given below:

$(1) C H_{2} = C H_{2} + H_{2} O + P d C l_{2} C u C l_{2} - ---- \to a i r o r O_{2} C H_{3} C H O + P d + 2 H C l$
In the above reaction, the corresponding aldehyde is formed.

$(2) R - C H = C H = C H_{2} + H_{2} O + P d C l_{2} C u C l_{2} - ---- \to a i r o r O_{2} R - O | | C - C H_{3} + P d + 2 H C l$
In the above reaction, the corresponding ketone is formed.
Option A & B are correct.

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