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NTA Abhyas JEE Main2020Chemistryd and f Block ElementsPractice

C r O 3 dissolves in aqueous NaOH to give

Options

  1. AC r O 4 2 -
  2. BC r O H 3 -
  3. CC r O 7 2 -
  4. DC r O H 2

Correct answer

A. C r O 4 2 -

Step-by-step solution

C r O 3 dissolves in aqueous NaOH to give sodium chromate. C r O 3 + 2 N a O H ⟶ N a 2 C r O 4 + H 2 O Sodium chromate

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