`H_(2)S` gas is passed through an acidic solution of `K_(2)Cr_(2)O_(7)` . The solution turns milky, why?

When SO_2 is passed through the acidic solution of K_2 Cr_2 O_7

When SO_(2) gas is passed through an acidic solution of K_(2)Cr_(2)O_(7) the oxidation number of S changes by

If H_(2)S gas is passed through a solution of K_(2)Cr_(2)O_(7) , the colour of the solution will -

On passing SO_(2) gas through an acidified solution of K_(2)Cr_(2)O_(7)

When SO_2 gas is passed through an acidified solution of K_2 Cr_2 O_7 , the solution turns ___ in colour.

When SO_2 gas is passed through an acidified solution of K_2 Cr_2 O_7 , the solution turns ___ in colour.

When SO_(2) gas is passed through an acidified solution of K_(2)Cr_(2)O_(7) the orange colour of the solution changes to

When H_(2)O_(2) is added to a acidified solution of K_(2)Cr_(2)O_(7) :