The depression in f.pt. of 0.01 m aqueous solution of urea, sodium chloride and sodium sulphate is in the ratio :

1 : 1 : 1

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1 : 2 : 3

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1 : 2 : 4

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2 : 2 : 3

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Solution

The correct option is B $1 : 2 : 3$
The depression in f.pt. of 0.01 m aqueous solution of urea, sodium chloride and sodium sulphate is in the ratio $1 : 2 : 3$
1 mole urea gives 1 mole
1 mole $N a C l$ gives 2 mole
1 mole $N a_{2} S O_{4}$ gives 3 mole
$∴ Δ T r a t i o$ = $1 : 2 : 3$

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The depression in f.pt. of 0.01 m aqueous solution of urea, sodium chloride and sodium sulphate is in the ratio :

The correct option is B 1:2:3The depression in f.pt. of 0.01 m aqueous solution of urea, sodium chloride and sodium sulphate is in the ratio 1:2:31 mole urea gives 1 mole1 mole NaCl gives 2 mole1 mole Na2SO4 gives 3 mole∴ΔTratio = 1:2:3

The correct option is B $1 : 2 : 3$
The depression in f.pt. of 0.01 m aqueous solution of urea, sodium chloride and sodium sulphate is in the ratio $1 : 2 : 3$
1 mole urea gives 1 mole
1 mole $N a C l$ gives 2 mole
1 mole $N a_{2} S O_{4}$ gives 3 mole
$∴ Δ T r a t i o$ = $1 : 2 : 3$