1.

Which of the following is not correct       [CBSE PMT 1990]

A.                 A sigma bond is weaker than \[\pi \]bond
B.                 A sigma bond is stronger than \[\pi \]bond
C.                 A double bond is stronger than a single bond
D.                 A double bond is shorter than a single bond
Answer» B.                 A sigma bond is stronger than \[\pi \]bond


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