Which of the following molecules possesses a | vedclass

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(A) To determine the hybridization of carbon atoms in the given molecules,we look at the structure of $CH_2=CH-C\equiv CH$ (Butenyne).In Butenyne,the

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Butenyne

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(A) To determine the hybridization of carbon atoms in the given molecules,we look at the structure of $CH_2=CH-C\equiv CH$ (Butenyne).In Butenyne,the structure is $CH_2=CH-C\equiv CH$.The carbon atoms are numbered as $C_1=C_2-C_3\equiv C_4$.$C_1$ is $sp^2$ hybridized,$C_2$ is $sp^2$ hybridized,$C_3$ is $sp$ hybridized,and $C_4$ is $sp$ hybridized.The bond between $C_2$ and $C_3$ is formed by the overlap of an $sp^2$ orbital from $C_2$ and an $sp$ orbital from $C_3$.Therefore,Butenyne contains an $sp^2-sp$ sigma bond.

Which of the following molecules possesses a bond formed by $sp^2-sp$ orbital overlap?

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