Which element out of He, Ar, Kr and Xe forms the least number of compounds?

JEE Main Chemistry question

Which element out of , , and forms the least number of compounds?

(A)Kr
(B)Xe
(C)Ar
(D)HeCorrect

Answer: (D)

Solution

Helium, with the highest ionisation energy and smallest, least polarisable electron cloud of all elements, forms essentially no chemical compounds under

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Question ID VK-146029