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Question

In the hydrogenation of the following reaction the state of carbon changes from:
C2H2 −− C2H4 −− C2H6

A
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B
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C
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D
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Solution

The correct option is A
C2H2 −− C2H4 −− C2H6
In C2H2 there is a presence of C-C triple bond Hence C atom is sphybridised.
In C2H4 there is a presence of C-C double bond hence C atom is sp2 hybridised.
In C2H6 there is a presence of C-C single bond hence C atom is sp3 hybridised.

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