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Alkali metals ions sare - (A) Diamagnetic and coloured (B) Diamagnetic and colourless

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Alkali metals ions sare -

(A) Diamagnetic and coloured

(B) Diamagnetic and colourless

(C) Paramagnetic and coloured

(D) Paramagnetic and colourless
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1 Answer

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Best answer

Correct option (B) Diamagnetic and colourless

Explanation :

Since the electronic configurations of M+ ions are similar to those of noble gases (s2 or s2 p6), these ions have no unpaired electrons and consequently are diamagnetic and colourless.

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