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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