1great theory aieee....!!
Arrange these according to the strengths of the σ-bonds they form along with proper reasons:
s-s , s-p, p-p overlap of At. orbitals.
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UP 0 DOWN 0 0 3
3 Answers
1The relative strength of a sigma bond is related to the extent of overlap of the atomic orbitals. This is known as the 'principle of maximum overlap'.
Due to spherical charge distribution in s-orbital, generally s-s overlapping is not so effective as s-p and p-p overlapping.
Where p-orbitals have directional charge distribution and longer lobes which cause more effective overlapping. Thus s-s sigma bond is relatively weak.
Order of the strength of sigma bonds is as follows:
nature of sigma bond bond strength
s-s 1.0
s-p 1.73
p-p 3.0
cn clearly detect d order from here.
