Home
Class 12
CHEMISTRY
Yellow coloured aquesous solution of sod...

Yellow coloured aquesous solution of sodium chromate changes to orange when acidified with sulphuric acid because

A

`H^(+)` ions convert chromate ions to dichromate ions

B

`H^+` ions reacts with sodium chromate to give sodium ions which turn solution orange

C

`Cr^(3+)` ions are liberated in the solution which turn the solution orange

D

Sodium hydroxide is formed during the reaction which imparts orange to the solution

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Explain by giving suitable reason. (a). Yellow coloured aqueous solution of sodium chromate changes to orange-red when CO_2 under pressure is passed. (b). Green solution of potassium manganate, K_2MnO_4 , turns purple when CO_2 is circulated. (c). Hg^(2+) and Hg_2^(2+) salts are colourless. (d). Cu^(2+) salts are paramagnetic while Cu^(o+) salts are diamagnetic in nature.

A solution of K _(2)CrO_(4) changes colour on being acidified. Why?

Yellow colour of chromates changes to orange on acidification due to formation of:

The yellow colour of chromates changes to orange on acidification due to formation of:

Yellow coloured solution of FeCl_(3) changes in light green when

When sodium peroxide is trated with the dilute sulphuric acid, we get.

A metal salt solution forms a yellow precipitate with potassium chromate in acetic acid, a white precipitate with dilute sulphuric acid but does not give precipitate with sodium chloride or iodide. The white precipitate obtained when sodium carbonate is added to the metal salt solution will consist of

Sodium bicarbonate reacting with dil. sulphuric acid

What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid ?