Acidified `K_2Cr_2O_7` solution turns green when sodium sulphite is added to it. Explain.

Acidified K_2Cr_2O_7 solution turns green by:

Acidified dichromate solution turns green when sodium sulphide is added to it. Explain.

Acidified K_(2)Cr_(2)O_(7) solution turns green when NasO_(3) is added to it. This is due to the formation of :

Acidified K_(2)Cr_(2)O_(7) turns green by

Write the equations . (i) Acidified solution of K_(2)Cr_(2)O_(7) turns green when sodium sulphite is added to it. (ii) Potassium ferricyanide is added to ferrous sulphate . (iii) Silver chloride is treated with aqueous sodium cyanide . (iv) Zinc is exposed to moist air .

Write the equations . (i) Acidified solution of K_(2)Cr_(2)O_(7) turns green when sodium sulphite is added to it. (ii) Potassium ferricyanide is added to ferrous sulphate . (iii) Silver chloride is treated with aqueous sodium cyanide . (iv) Zinc is exposed to moist air .

Acidified K_2Cr_2O_7 solution turns green when Na_2SO_3 is added to it. This is due to the formation of

Acidified K_(2)Cr_(2)O_(7) solution turns green when Na_(2)SO_(3) is added to it. This due to the formation of -

Acidified K_(2)Cr_(2)O_(7) solution turns green when Na_(2)SO_(3) is added to it. This is due to the formation of