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3.24 g of Hg(NO(3))(2) [M-Wt=324] dissol...

3.24 g of `Hg(NO_(3))_(2) [M-Wt=324]` dissolved in 1000g of water constitutes a solution having freezing point of `=0.0558^(@)C` while `21.68 "of" HgCl_(2)` (molar mass =271) in 2000g of water constitutes a solution with a frezzing point of `-0.0744^(@)C`. The `K_(f)` for water is `1.86(K kg)/(mol)` . About the state of ionisation of these two solids in water it can be inferred that

A

`Hg(NC_(3))_(2) and HgCl_(2)` both are completely ionized

B

`Hg(NO_(3))_(2)` is fully ionized but `Hgcl_(2)` is fully unionized

C

`Hg(NO_(3))_(2)` and `HgCl_(2)` both are completely unionized

D

`Hg(NO_(3))_(2)` is fully unionized but `Hgcl_(2)` is fully ionized

Text Solution

Verified by Experts

The correct Answer is:
B
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