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A compound is known to be a salt of pota...

A compound is known to be a salt of potassium `(KX)`. If `4.00 g` of the salt is dissolved in `100g` of water, the solution freezes at `-1.24^(@)C`. What is the identify of X ? `k_(f)` of water is `1.86K Kg//mol.M` are : `K = 39, F = 19, Cl = 35, Br = 80` and `I = 127`.

A

freezing point is raised

B

Cl

C

Br

D

I

Text Solution

Verified by Experts

The correct Answer is:
C
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