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The number of species from the following which have sp ^3 hybridization of the central atom and a net zero dipole moment is _________. CH ₄, NH ₃, H ₂ O , CCl ₄, CHCl ₃, SiF ₄, XeO ₃, BF ₃

Correct answer

3

Step-by-step solution

CH ₄ : sp ^3 hybridized, tetrahedral geometry, no lone pairs. Symmetrical structure, so dipole moment = 0 . NH ₃ : sp ^3 hybridized, pyramidal geometry due to 1 lone pair. 0 . H ₂ O : sp ^3 hybridized, bent geometry due to 2 lone pairs. 0 . CCl ₄ : sp ^3 hybridized, tetrahedral geometry, no lone pairs. Symmetrical structure, so = 0 . CHCl ₃ : sp ^3 hybridized, tetrahedral geometry. Asymmetrical due to different atoms, so 0 . SiF ₄ : sp ^3 hybridized, tetrahedral geometry, no lone pairs. Symmetrical structure, so =

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