Question

Ia an experiment,NaCl reacts with H2SO4 evolves HCl gas.What is the result when the gas is tested with wet litmus paper

Answer 1

The reaction between NaCl and H2SO4 takes place in a boiling solution.
The products are Na2SO4 and HCl.

2NaCl + H2SO4 -------> Na2SO4 + 2HCl

The HCl gas is released and when tested with moist blue litmus paper it changed color to red.This indicated that HCl gas is acidic.

Answer 2

Answer:

the reaction between nacl and H2so4 takes place in a boiling solution

2Nacl+H2So4-----) Na2SO4 +2HCl

the hcl gas is released and when tested with moist blue litmus paper it changed colour to red. this indicates that hcl gas is acidic