[" If "H(2)S" gas is passed through a so...

[" If "H_(2)S" gas is passed through a solution of "K_(2)Cr_(2)O_(7)],[" the colour of the solution will- "],[[" (A) Remain unchanged "," (B) Become deep red "],[" (C) Become green "," (D) Become deep gray "]]

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

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

If H_2S is passed through an acidified K_2Cr_2O_7 solution, the colour of the solution :

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 SO_2 is passed through the acidic solution of K_2 Cr_2 O_7

On passing SO_(2) gas through an acidified 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