Q21 / 150 · MHT CET 2016 · Chemistry

How is sodium chromate converted into sodium dichromate in the manufacture of potassium dichromate from chromite ore?

Correct answer
A
By the action of concentrated sulphuric acid
B
By roasting with soda ash
C
By the action of sodium hydroxide
D
By the action of lime stone

Solution

Sodium chromate

\overset{c o n c . H_{2} S O_{4}}{\to}

Sodium dichromate.

Hence, the correct answer is option: 'A'.

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