Which one of the following does not have sp^(2) hybridized carbon ?

1.	Which one of the following does not have sp^(2) hybridized carbon ?
Answer» Acetone Acetic ACID Acetonitrile ACETAMIDE Solution :`underset("Acetone")(overset(sp^(3))(CH_(3))-overset(sp^(2))(CO)-CH_(3))"",""underset("Acetic Acid")(overset(sp^(3))(CH_(3))-overset(sp^(2))(C)OOH)` `underset("Acetonitrile")(overset(sp^(3))(CH_(3))-overset(sp)(C)-=)N,""underset("Acetamide")(overset(sp^(3))(CH_(3))-overset(sp^(2))(C)ONH_(2))`

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