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  • Do you expect the carbon hydrides of the type CnH2n + 2 to act as 'Lewis' acid or base? Justify your answer

9.1o  Do you expect the carbon hydrides of the type (CnH2n + 2) to act as ‘Lewis’ acid or base? Justify your answer. 

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Answer-

The general term  C_{n}H_{2n+2}

for n = 1, 2, 3.. we get   CH_{4},C_{2}H_{6},C_{3}H_{8}...

Lewis acids are electron acceptors, So the above compound should be an electron-deficient species.

C_{2}H_{6}  taking an example

Here we can directly count that both the Carbon atom has perfect 8 electrons in sharing. they follow the octet rule. It is electron precise hydride and it neither donate or accept electrons to act as Lewis acid or base.

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Rakesh

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