The C-C bond length is minimum in ___

ethane

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ethene

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ethyne

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butane

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Solution

The correct option is C
ethyne

The bond lengths of ethane ,ethene and ethyne are respectively 153 pm,133 pm, 120 pm.

Moreover, when more than a single bond exists there will be more attraction.So, the bond length is minimum in ethyne because of 3 C-C bonds.

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Similar questions

Bond length of C - C in ethane (I) Ethene (II) Ethyne (III) and Benzene (IV) follows the order

Give reasons :
(a) Ethyne is more reactive than ethene.
(b) Ethene is more reactive than ethane.
(c) Hydrocarbons are excellent fuels.

Arrange Ethane, Ethene and Ethyne in decreasing order of the bond strength between the two carbon atoms in the given hydrocarbons.

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