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Question

Find the number of molecule(s) among the following which is/are bent in shape but have different hybridization.

XeF2,BF2,SF2,H2O,SnCl2,I+3,I3

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Solution

Hybridization of the molecule is given by the formula,

H=12[V+MC+A]

H = number of orbitals involved in hybridization
V = valence electrons of central atom
M = number of monovalent atoms linked to the central atom
C = charge on the cation
A = charge on the anion

Value of H and hybridization, [H=2(sp),3(sp2),4(sp3),5(sp3d)]

Applying the above formula for given molecules,

XeF2=12[8+2]=5 (sp3d)[Linear]

BF2=12[3+2+1]=3 (sp2)[Bent]

SF2=12[6+2]=4 (sp3)[Bent]

H2O=12[6+2]=4 (sp3)[Bent]

SnCl2=12[4+2]=3(sp2)[Bent]

I+3=12[7+1+11]=4 (sp3)[Bent]

I3=12[7+1+1+1]=5 (sp3d)[Linear]

Therefore, five molecules have bent shape but have different hybridization.

Hence, the correct answer is 5.

1915846_223450_ans_dd189d8aee3c4d2f9a63171f554e553f.PNG

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