The colour of potassium dichromate upon reaction with sulphuric acid changes from__

Orange to Green.

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Green to Orange

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Blue to Green

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Yellow to Green

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Solution

The correct option is A Orange to Green.
The colour of potassium dichromate upon reaction with sulphuric acid changes from orange to green.

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Q. The colour of potassium dichromate upon reaction with sulphuric acid changes from__

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

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.

Identify the anion present in the salt on the basis of the reaction given below

When dilute sulphuric acid is added to salt solution, a gas is produced which turns acidified potassium dichromate solution from orange to green.

Why does sulphur dioxide turns acidified potassium dichromate paper green

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The colour of potassium dichromate upon reaction with sulphuric acid changes from__

The correct option is A Orange to Green.The colour of potassium dichromate upon reaction with sulphuric acid changes from orange to green.

The correct option is A Orange to Green.
The colour of potassium dichromate upon reaction with sulphuric acid changes from orange to green.