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Standard XII

Chemistry

Keto-enol Tautomerism

The relative ...

Question

The relative decrease in the vapour pressure of an aqueous solution containing 2 mol NaCI in 3 mol $H_{2} O$ is 0.5.
This solution, on reaction with $A g N O_{3}$ will form:-

1 mol AgCI

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0.25 mol AgCI

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2 mol AgCI

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0.5 mol AgCI

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Solution

The correct option is D 0.5 mol AgCI
$\frac{Δ P}{P^{\circ}} = 0.5 = \frac{i \times n}{n + N}$
i = 1.25
1.25 = 1 + (2 – 1) $α$
$α$ = 0.25
2 mol of NaCl will produce 0.5 mol of Cl⁻ in solution.

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The relative decrease in the vapour pressure of an aqueous solution containing 2 mol NaCI in 3 mol H2O is 0.5. This solution, on reaction with AgNO3 will form:-

The correct option is D 0.5 mol AgCIΔPP∘=0.5=i×nn+N i = 1.25 1.25 = 1 + (2 – 1)α α = 0.25 2 mol of NaCl will produce 0.5 mol of Cl− in solution.

The relative decrease in the vapour pressure of an aqueous solution containing 2 mol NaCI in 3 mol $H_{2} O$ is 0.5.
This solution, on reaction with $A g N O_{3}$ will form:-

The correct option is D 0.5 mol AgCI
$\frac{Δ P}{P^{\circ}} = 0.5 = \frac{i \times n}{n + N}$
i = 1.25
1.25 = 1 + (2 – 1) $α$
$α$ = 0.25
2 mol of NaCl will produce 0.5 mol of Cl⁻ in solution.