Q. When PCl_{5} reacts with sulphuric acid, sulphuryl chloride $(SO_{2}Cl_{2})$ is formed as the final product .this shows that sulphuric acid
A) Has two hydroxyl groups in its structure
B) Is a derivative of sulphur dioxide
C) Is a dibasic acid
D) Has greater affinity for water
Explanation
(a)
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PCl_{5} attacks —OH group and replace it by —Cl group. Hence, reaction of PCl_{5} with H_{2}SO_{4} shows the presence of two —OH group in H_{2}SO_{4.}
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.