Chemistry · 2022
JEE Main · 28 July 2022, Shift 1 · Q65
In which of the following pairs, electron gain enthalpies of constituent elements are nearly the same or identical? (A) Rb and Cs (B) Na and K (C) Ar…
In which of the following pairs, electron gain enthalpies of constituent elements are nearly the same or identical ?
(A)
Rb and Cs
(B)
Na and K
(C)
Ar and Kr
(D)
I and At
Choose the correct answer from the options given below :
Official answer
(3)
(A) and (C) only
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.