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Q.
Decreasing order of $s$-character is $ sp, sp^{2},sp^{3}$ -hybrid orbitals:
Haryana PMTHaryana PMT 2002
Solution:
s-character in $s p$-hybrid orbital $=50 \% s$-character in $s p^{2}$ hybrid orbital $=33 \%$ s-character in $s p^{3}$ hybrid orbital $=25 \%$ Decreasing order $s p>s p^{2}>s p^{3}$