P-Block Elements Ques 476

Question: Sulphuric acid reacts with $ PCl_5 $ to give

[KCET 1996; JIPMER 2000]

Options:

A) Thionyl chloride

B) Sulphur monochloride

C) Sulphuryl chloride

D) Sulphur tetrachloride

Show Answer

Answer:

Correct Answer: C

Solution:

$ HO-SO_2-OH+PCl_5\to Cl-SO_2-OH+POCl_3 $ $ +HCl $ $ HO-SO_2-OH+2PCl_5\to $ $ \underset{\text{Sulphuryl chloride}}{\mathop{Cl-SO_2-Cl}}+2POCl_3+2HCl $



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