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For 1 molal aqueous solution of the foll...

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

A

`[Co(H_2O)_6]Cl_3`

B

`[Co(H_2O)_5Cl]Cl_2.H_2O`

C

`[Co(H_2O)_4Cl_2]Cl.2H_2O`

D

`[Co(H_2O)_3].3H_2O`

Text Solution

Verified by Experts

The correct Answer is:
D
Number of particles (i)

`DeltaT_f prop I, " where " Delta T_f =(T_f - T_f.)`
Remember, the greater the no.of particles,the lower will be the freezing point.Compound (d) will have the highest freezing point due to least no of particles.
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