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 $
