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NEET Chemistry Colligative Properties MCQ Question

Type: MCQ-conceptual-Medium-Class 12

For 1 molal aqueous solution of the following compounds, which one will show the highest freezing point?

A

[Co(H₂O)₆]Cl₃

B

[Co(H₂O)₅Cl]Cl₂.H₂O

C

[Co(H₂O)₄Cl₂]Cl₂.2H₂O

D

[Co(H₂O)₃Cl₃].3H₂O

Correct Answer

Option A

Detailed Explanation

The freezing point depression is inversely proportional to the number of ions in solution. [Co(H₂O)₆]Cl₃ dissociates into four ions, which is the least among the options, resulting in the highest freezing point.

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