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Q31

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type=MCQ · page=13 · marks=1 · content_conf=0.7999999999999999 · math_conf=0.77

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file: GATE CH 2020 (with Solutions).pdf

pages: 13–13

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Mole fraction and activity coefficient of component 1 in a binary liquid mixture are

x_1

and

.

respectively. Gᵉ is excess molar Gibbs energy of the mixture, R is universal gas constant and T is absolute temperature of the mixture. Which one of the following is always true?

Options

A.
$.$
B.
$.$
C.
$.$
D.
$.$ $x_1 /rightarrow 1x_1 /rightarrow x_1 /rightarrow x_1 /rightarrow 1$

Answer

Solution

.

.

RT = 0(AtX_2 = 0)

X_1 /rightarrow

Hence, the correct option is (B).

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Source PDF: GATE CH 2020 (with Solutions).pdf

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stem	13	`—`	`—`none	`—`	`REVIEW`
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option_B	13	`—`	`—`none	`—`	`REVIEW`
option_C	13	`—`	`—`none	`—`	`REVIEW`
option_D	13	`—`	`—`none	`—`	`REVIEW`
option_D	13	`—`	`—`none	`—`	`REVIEW`
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solution	13	`—`	`—`none	`—`	`REVIEW`
solution	13	`—`	`—`none	`—`	`REVIEW`

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structurePASS
question_textFAIL
optionsFAIL
answerPASS
solutionPASS
mathPASS
cross_entityPASS

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operator_set_changed_raw_vs_derived
option_A_operator_set_changed_raw_vs_derived