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Question

# Match the species in Column I with the shape in Column II. Column IColumn IIi.OSF2p.Tetrahedralii.O2SF2q.Lineariii.XeF4r.Square planariv.ClOâˆ’4s.Trigonal pyramidalv.Iâˆ’3t.See - saw

A
is, iip, iiir, ivp, vq
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B
is, iip, iiir, ivq, vt
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C
is, iip, iiir, ivt, vq
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D
iq, iir, iiis, ivt, vp
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Solution

## The correct option is A i−s, ii−p, iii−r, iv−p, v−q(i)OSF2 steric number = (6+2)/2=4 so, sp3 - hybridised S atom, due to the presence of one lone pair shape is trigonal pyramidal. (i)→(s) (ii)O2SF2 steric number = (6+2)/2=4 so, sp3 - hybridised S atom, the shape and geometry is tetrahedral (ii)→(p) (iii)XeF4 steric number = (8+4)/2=6 so, sp3d2 - hybridised Xe - atom. Two lone pairs are placed above and below the plane so, shape is square planar (iii)→(r) (iv)ClO−4 steric number = (7+1)/2=4 so, sp3 - hybridised Cl atom, tetrahedral. (iv)→(p) (v) I−3 steric number = (7+2+1)/2=5 so, sp3d - hybridised I, three lone pairs at equatorial position hence linear shape (v)→(q)

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