Q. In which of the following molecule/ion, all the bonds are not equal?
AMUAMU 2013Chemical Bonding and Molecular Structure
Solution:
In $ C_{2}H_{4} $ , carbon- carbon double bond in alkenes consists of one strong sigma bond and one weak pi $(\pi)$ bond. In ethene ail the bonds are not equal. While in case of remaining species, all the bonds are equal.



