Q. When conc. H_{2}SO_{4} is heated with P_{2}O_{5,} the acid is converted into

A) Sulphure trioxide
B) Sulphur dioxide
C) Sulphur
D) A mixture of sulphur dioxide and sulphur trioxide
Explanation

(a)
When conc. H_{2}SO_{4} is heated with P_{2}O_{5,} the acid is converted into sulphur trioxide.
2 H_{2}SO_{4}+2 P_{2}O_{5}⟶ 2SO_{3} + 4HPO_{3}
sulphur trioxide

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.