Q57 · CSIR-NET Chemistry, June 2011

Paper: CSIR-NET June 2011 · Subject: Inorganic Chemistry · Chapter: Chemical Bonding · Topic: MO Theory Diatomics · Marks: 2 · Difficulty: Easy

According to VSEPR theory, the molecule/ion having ideal tetrahedral shape is

(a)$\mathrm{SF}_{4}$

(b)$\mathrm{SO_4^{2-}}$

(c)$\mathrm{S}_{2} \mathrm{Cl}_{2}$

(d)$\mathrm{SO}_{2} \mathrm{Cl}_{2}$

Answer

Answer: B ✓ checked by 4AB · confidence high

Explanation

SO₄²⁻ has four identical substituents and no lone pair: a regular tetrahedron. SF₄ is see-saw, S₂Cl₂ is gauche, SO₂Cl₂ a distorted tetrahedron.

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