Which of the following statements is correct for the spontaneous adsorption of a gas?
- △S is negative and therefore, △H should be highly negative
- △S is positive and, therefore, △H should be negative
- △S is positive and, therefore, △H should also be highly positive
- △S is negative and, therefore, △H should be highly positive
The Correct Option is A
Solution and Explanation
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D. The correct order of the first ionization enthalpies of Na, Mg, Al, and Si is Si $>$ Al $>$ Mg $>$ Na.
E. The atomic radius of Cs is greater than that of Li and Rb.
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Which of the following statements are true?
A. Unlike Ga that has a very high melting point, Cs has a very low melting point.
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E. The atomic radius of Cs is greater than that of Li and Rb.
Choose the correct answer from the options given below:- NEET (UG) - 2025
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