Entropy change - S for adsorption-

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Standard XII

Chemistry

Introduction

Entropy chang...

Question

Entropy change $(Δ S)$ for adsorption:

negative

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positive

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zero

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cannot be said

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Solution

The correct option is A negative
In adsorption, Process is exothermic and randomness of molecule decrease. Hence $△ S =$ Negative

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When water freezes in a glass beaker, choose the correct statement amongst the following.
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(b) $Δ$ S (system) increases but $Δ$ S (surroundings) decreases
(c) $Δ$ S (system) decreases but $Δ$ S (surroundings) increases
(d) $Δ$ S (system) decreases but $Δ$ S (surroundings) also decreases

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Entropy change (ΔS) for adsorption:

The correct option is A negativeIn adsorption, Process is exothermic and randomness of molecule decrease. Hence △S= Negative

Entropy change $(Δ S)$ for adsorption:

The correct option is A negative
In adsorption, Process is exothermic and randomness of molecule decrease. Hence $△ S =$ Negative