Which one of the following halogen liberates oxygen, when passed through hot concentrated KOH solution ?

Which one of the following halogens liberates oxygen, when passed through hot concentrated KOH solution?

Which halogen liberates oxygen, when passed through hot concentrated KOH solution ?

Which one of the following liberates oxygen immediately when passed into water ?

CI_(2) gas is passed through hot and concentrated NaOH solution.

What happens when Cl_2 gas is passed through hot and concentrated NaOH solution?

What happens when Cl_2 gas is passed through hot concentrated solution of NaOH ?

Write the chemical equations for the following processes: Chlorine is passed through hot and concentrated solution of sodium hydroxide.

What happens when HCL gas is passed through concentrated NaCl solution?