Hybridization in PCl₅ (gaseous phosphorus pentachloride):
Asp³
Bsp³d
Csp³d²
Dsp
Answer & Solution
Correct answer: B. sp³d
PCl₅ has 5 bond pairs, no lone pairs on P. Geometry: trigonal bipyramidal. Hybridization: sp³d (1 s + 3 p + 1 d orbitals).
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