When conc. `H_(2)SO_(4)` is heated with `P_(2)O_(5),` the acid is converted to

Options

A. sulphur trioxide
B. sulphur dioxide
C. sulphur
D. a mixture of sulphur dioxide and sulphur trioxide

Answer

A

Explanation

When conc. `H_2SO_(4)` is heated with `P_(2)O_(5)` , the acid is coverted into sulphur trioxide .
`underset("Conc.")(2H_2SO_(4))+2P_(2)O_(5) to underset("Sulphur trioxide ")(2SO_(3))+4HPO_(3)`