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Sulphur reacts with chlorine in 1 : 2 ratio and forms X. Hydrolysis of X gives a sulphur compound Y.

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Sulphur reacts with chlorine in 1 : 2 ratio and forms X. Hydrolysis of X gives a sulphur compound Y. What is the structure and hybridisation of anion of Y?

(a) tetrahedral, sp3

(b) linear, sp

(c) pyramidal, sp3

(d) trigonal planar, sp2

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(c) pyramidal, sp3

Explanation:

S + 2Cl2 → SCl4

SCl4 + 4H2O + x → S(OH)4 + 4HCl

S(OH)4 → H2SO3 + H2O

The anion of y is SO2-3 in which S is sp3 hybridised with one lone pair of electrons on S, giving SO2-3 pyramidal shape.

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