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Standard XII

Chemistry

Van't Hoff Factor

The pressure ...

Question

The pressure at A and B in the atmosphere are, respectively:

0.821 a n d 1.642

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1.642 a n d 2

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2 a n d 3

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3 a n d 4

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Solution

The correct option is A $0.821 a n d 1.642$
$P_{1} = \frac{n R T_{1}}{V_{1}}; V_{1} = 20 L; T = 200 K; R = 0.08201 L . a t m . K^{- 1} . m o l^{- 1}$
$P_{1} = 0.821 a t m$
$P_{2} = \frac{n R T_{2}}{V_{2}}; V_{2} = 20 L; T = 400 K$
$P_{2} = 1.642 a t m$

Hence, the correct option is $A$

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The pressure at A and B in the atmosphere are, respectively:

The correct option is A 0.821 and 1.642P1=nRT1V1;V1=20L;T=200K; R=0.08201L.atm.K−1.mol−1 P1=0.821atmP2=nRT2V2;V2=20L;T=400KP2=1.642atmHence, the correct option is A

The correct option is A $0.821 a n d 1.642$
$P_{1} = \frac{n R T_{1}}{V_{1}}; V_{1} = 20 L; T = 200 K; R = 0.08201 L . a t m . K^{- 1} . m o l^{- 1}$
$P_{1} = 0.821 a t m$
$P_{2} = \frac{n R T_{2}}{V_{2}}; V_{2} = 20 L; T = 400 K$
$P_{2} = 1.642 a t m$

Hence, the correct option is $A$