Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
MHT CET2016Chemistryd and f Block Elements

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

Options

  1. ABy the action of concentrated sulphuric acid
  2. BBy roasting with soda ash
  3. CBy the action of sodium hydroxide
  4. DBy the action of lime stone

Correct answer

A. By the action of concentrated sulphuric acid

Step-by-step solution

Sodium chromate → c o n c . H 2 S O 4 Sodium dichromate.

Practice d and f Block Elements on Quantrex Academy →

More from d and f Block Elements

Pick out the correct option Assertion(A): Mercury is not considered as a transition element Reason (R): Mercury is a liquid 2026Which of the following does not correctly represent the order of the property indicated against it? 2026The element with the highest third ionisation enthalpy is: 2026The product and its colour when MnO₂ is fused with KOH in presence of O₂ : 2026The ion that has a spin only magnetic moment of 5.9 BM is: 2026Which one of the following species will impart colour to an aqueous solution? 2026The basic character of transition metal monoxides follows the order: 2026K ₂ Cr ₂ O ₇ on heating with aqueous NaOH gives ------------------------- 2026 Full d and f Block Elements list All MHT CET PYQs