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The freezing point of an aqueous solutio...

The freezing point of an aqueous solution of non-electrolyte having an osmotic pressure of 2.0 atm at 300 K will be, `(K_(f) "for " H_(2)O = 1.86K mol^(-1)g)` and R = 0.0821 litre atm `K^(-1) mol^(-1)` . Assume molarity and molarity to be same :

A

`-0.151^(@)C`

B

`-1.151^(@)C`

C

`-3.151^(@)C`

D

`-2.151^(@)C`

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The correct Answer is:
A
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