Chemistry · 2023
JEE Main · 25 January 2023, Shift 2 · Q57
The number of incorrect statement/s from the following is/are ____ A. Water vapours are adsorbed by anhydrous calcium chloride. B. There is a…
The number of incorrect statement/s from the following is/are $\displaystyle \_\_\_\_$
A. Water vapours are adsorbed by anhydrous calcium chloride.
B. There is a decrease in surface energy during adsorption.
C. As the adsorption proceeds, $\displaystyle \Delta \mathrm{H}$ becomes more and more negative.
D. Adsorption is accompanied by decrease in entropy of the system.
Official answer
From NTA’s final answer key for this paper.
2
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JEE Main 2023 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.