During which of the following processes, does entropy decrease? (A) Freezing of water to ice at 0ºC (B) Freezing of water to ice at – 10ºC (C) (D) Adsorption of CO(g) on lead surface. (E) Choose the c

Question

During which of the following processes, does entropy decrease? (A) Freezing of water to ice at 0ºC (B) Freezing of water to ice at – 10ºC (C) (D) Adsorption of CO(g) on lead surface. (E) Choose the correct answer from the options given below:

(A) (A), (C) and (E) only
(B) (A), (B), (C) and (D) only
(C) (A) and (E) only
(D) (B) and (C) only

Prashant Kotian · Accepted Answer

Correct answer: B) (A), (B), (C) AND (D) ONLY. A, B → Freezing of water will decrease entropy as particles will move closer and forces of attraction will increase. This leads to decrease in randomness. So entropy decrease. C → No. of molecules decreasing D → Adsorption will lead to decrease in randomness of gaseous particles. So, (A,B,C,D) decreases entropy

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