GIVE AN EXAMPLE OF A CHEMICAL REACTION FOR THE FOLLOWING SITUATION-
(a)A CHANGE IN COLOUR IS OBSERVED .
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When white Silver chloride exposed to sunlight it produces to black metallic colured Silver along with liberation of Chlorine gas.
2AgCl → 2Ag + Cl2
This is a photodecomposition reaction.
2AgCl → 2Ag + Cl2
This is a photodecomposition reaction.
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When sulphur dioxide gas is passed through potassium dichromate solution, the orange colour of potassium dichromate solution chnges to green.
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