Chemistry · 2021
JEE Main · 17 March 2021, Shift 2 · Q32
During which of the following processes, does entropy decrease? (A) Freezing of water to ice at 0°C (B) Freezing of water to ice at -10^° C (C) N_2(…
During which of the following processes, does entropy decrease ?
(A)
Freezing of water to ice at $\displaystyle 0$°C
(B)
Freezing of water to ice at $\displaystyle -10^{\circ} \mathrm{C}$
(C)
$\displaystyle \mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightarrow 2 \mathrm{NH}_3(\mathrm{~g})$
(D)
Adsorption of CO(g) on lead surface.
(E)
Dissolution of NaCl in water
Choose the correct answer from the options given below :
Official answer
(1)
(A) , (B), (C) and (D) only
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.