NCERT Class XI Chemistry Solutions
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Question : 29
Total: 40
Considering x-axis as the internuclear axis which out of the following will not form a sigma bond and why?
(a) 1s and 1s
(b) 1s and2 p x
(c)2 p y 2 p y
(d) 1s and 2s
(a) 1s and 1s
(b) 1s and
(c)
(d) 1s and 2s
Solution:
A bond formed between two atoms by the overlap of singly occupied orbitals along their axes (end to end overlap) is called σ bond. Hence, 1s and 1s, 1s and 2 p x
π bonds are formed by the sidewise or lateral overlapping of p-orbitals.
Hence,p y p y
π bonds are formed by the sidewise or lateral overlapping of p-orbitals.
Hence,
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