Published by:
CGP EDU Academic Team
Published on: August 13, 2026
When hydrochloric acid is added to cobalt nitrate solution at room temperature, the following reaction takes place and the reaction mixture becomes blue. On cooling the mixture, it becomes pink. On the basis of this information mark the correct answer.
A
for the reaction
B
for the reaction
C
for the reaction
D
The sign of 
cannot be predicted on the basis of this information.
cannot be predicted on the basis of this information.
Text Solution
Verified by ExpertsThe correct answer is:
A
On cooling the mixture, the reaction proceeds in backward direction and on heating the mixture, the reaction proceeds in forward direction, hence, the reaction is endothermic .
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Which of the following is non-electrolyte
Ammonium hydroxide is a
Ammonium hydroxide is a weak base because
Electrolytes when dissolved in water dissociate into their constituent ions. The degree of dissocia…
A monoprotic acid in 1.00 M solution is 0.01% ionised. The dissociation constant of this acid is
An example for a strong electrolyte is