**Assertion:** Helium and beryllium have similar outer electronic configurations of the type ns^2. **Reason:** Helium and beryllium are both chemically inert.

JEE Main Chemistry question

**Assertion:** Helium and beryllium have similar outer electronic configurations of the type . **Reason:** Helium and beryllium are both chemically inert.

(A)Assertion is True, Reason is True; Reason is correct explanation for Assertion
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is True, Reason is FalseCorrect
(D)Assertion is False, Reason is True

Answer: (C)

Solution

Helium () and beryllium () do indeed both have an outer configuration (Assertion true). Beryllium, however, is a

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Question ID VK-146065