Which of the following combination of bond pair (b.p.) and lone pair (l.p.) give same shape? (i) 3 b.p. + 1 l.p. (ii) 2 b.p. + 2 l.p. (iii) 2 b.p. + 1 l.p. (iv) 2 b.p. + 0 l.p. (v) 3 b.p. + 2 l.p. (vi

Question

Which of the following combination of bond pair (b.p.) and lone pair (l.p.) give same shape? (i) 3 b.p. + 1 l.p. (ii) 2 b.p. + 2 l.p. (iii) 2 b.p. + 1 l.p. (iv) 2 b.p. + 0 l.p. (v) 3 b.p. + 2 l.p. (vi) 2 b.p. + 3 l.p.

Prashant Kotian · Accepted Answer

Correct answer: A,C. Step 1: Analyze the polarities of the molecules. CO2, BF3, CS2, and SO3 are highly symmetrical and non-polar (mu = 0). Step 2: SO2 is a bent molecule (sp2 hybridized with one lone pair) and is polar. SCl2 is also a bent molecule (sp3 hybridized with two lone pairs) and is polar. Step 3: Since both SO2 and SCl2 have non-zero dipole moments, they are both polar species, matching option (c).

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