The chemical reaction between two substances is characterised by a change in colour from orange to green, these two substances are most likely to be :

potassium dichromate solution and sulphur dioxide

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potassium permanganate solution and sulphur dioxide

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potassium permanganate solution and lemon juice

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potassium dichromate solution and carbon dioxide

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Solution

The correct option is B potassium dichromate solution and sulphur dioxide
Reaction between potassium dichromate solution and sulphur dioxide is characterised by a change in colour from orange to green due to the formation of $C r^{3 +}$ .

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Similar questions

The chemical reaction between two substances is characterised by a change in colour from orange to green. These two substances are most likely to be :
(a) potassium dichromate solution and sulphur dioxide

(b) potassium permanganate solution and sulphur dioxide

(d) potassium dichromate solution and carbon dioxide.

Q. When sulphur dioxide gas is passed through acidified potassium dichromate solution, the colour of the solution changes from :
(1) orange to yellow
(2) orange to green
(3) green to orange
(4) yellow to green

Q. When sulphur dioxide is passed through potassium dichromate solution, the colour changes from to .

The substance which gets oxidized to acids on heating them with solutions of potassium permanganate $K M n O_{4}$ or potassium dichromate $K_{2} C r_{2} O_{7}$ is

Q. _____ ion turns the orange coloured acidified potassium dichromate solution into green.

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The chemical reaction between two substances is characterised by a change in colour from orange to green, these two substances are most likely to be :

The correct option is B potassium dichromate solution and sulphur dioxideReaction between potassium dichromate solution and sulphur dioxide is characterised by a change in colour from orange to green due to the formation of Cr3+.

The correct option is B potassium dichromate solution and sulphur dioxide
Reaction between potassium dichromate solution and sulphur dioxide is characterised by a change in colour from orange to green due to the formation of $C r^{3 +}$ .