Q. 293.6( 29 Votes )
The axial overlapping results in the formation of sigma bond. and sideways overlapping results in the formation of pi bond .
sigma bond involves overlapping of s - s , s - p and p - p atomic orbitals .
hence, option c is wrong because 2py and 2py orbitals will not a form a sigma bond. Taking x-axis as the internuclear axis, 2py and 2py orbitals will undergo lateral overlapping, thereby forming a pi bond.
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