Chemistry-Chemical Equilibrium

NEET Chemistry Chemical Equilibrium MCQ Question

Type: MCQ-fact-Hard-Class 11

What happens to the color of the equilibrium mixture of [Co(H2O)6]3+ and [CoCl4]2– when the temperature is decreased?

A

The color changes from blue to pink.

B

The color remains blue.

C

The color changes from pink to blue.

D

The color becomes colorless.

Correct Answer

Option A

Detailed Explanation

When the temperature is decreased, the equilibrium shifts towards the endothermic reaction, resulting in the formation of [Co(H2O)6]3+, which is pink in color.

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