Q.

Which of the following is not correct w.r.t. elements of 2nd group?

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a

These are called alkaline earth metals

b

They have ns2 outer electronic configuration.

c

They easily form cation with +2 charge.

d

All of these elements easily gain one electron in np outermost subshell.

answer is D.

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Detailed Solution

Alkaline earth metals do not gain electron at all.
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