Which of the following are correct about physisorption?

1) Decrease in entropy of system
2) Decrease in enthalpy
3) The value of TdS is positive
4) It is reversible in nature

1, 2 & 3

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2, 3 & 4

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1, 2 & 3

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1, 2 & 4

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Solution

The correct option is D
1, 2 & 4

Gas adsorbed on solid surface leads to a decrease in randomness of molecules, adsorption is exothermic, spontaneous ( $Δ$ G = - ve) and reversible in nature

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Similar questions

Which of the following are correct about physisorption?

1) Decrease in entropy of system
2) Decrease in enthalpy
3) The value of TdS is positive
4) It is reversible in nature

y = \sqrt{2 x - x^{2}}

If A (1, 3), B(-1, 2), C(2, 5) and D(x, 4) are the vertices of a ||gm ABCD then the value of x is

(a) 3 (b) 4 (c) 0 (d) $\frac{3}{2}$

A = {1, 2, 3}

B = {1, 2}

C = {2, 3}

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