The correct order of increasing s−character (in percentage) in the hybrid orbitals of following molecules/ions is: (I) CO2−3 (II) XeF4 (III) I−3 (IV) NCl3 (V) BeCl2
A
II < III < IV < I < V
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B
II < IV < III < V < I
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C
III < II < I < V < IV
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D
II < IV < III < I < V
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Solution
The correct option is A II < III < IV < I < V The correct order of increasing s−character (in percentage) in the hybrid orbitals of following molecules/ions is:
(I) CO2−3C undergoes sp2
(II) XeF4Xe undergoes sp3d2
(III) I−3I undergoes sp3d
(IV) NCl3N undergoes sp3
(V) BeCl2Be undergoes sp.
S-character in hybrid orbitals increases as the number of p orbitals and d orbitals in the hybridization.
So the correct order of S-character in hybrid orbitals is sp>sp2>sp3>sp3d>sp3d2.