Question

which gas is evolved when BaCl2 react with H2SO4​

Answer 1

Answer:

sorry I don't understand what you ask please ask properly

Answer 2

Answer:

Bacl2 + H2SO4 > BaSO4 + 2HCl

This is ionic precipitation reaction.

Solution: Write Ionic equation,

Bacl2 + H+ + HSO4- > BaSO4 + 2H+ + 2Cl-

BaSO4 less soluble than BaCl2,

Precipitate out.

Explanation: