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NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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The formula of mercurous ion is:

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Correct option: C

\mathrm{Hg}_2^{2 + }

Option C (

\mathrm{Hg}_2^{2 + }

) is correct because the mercurous ion exists as a diatomic species with a +2 charge overall.

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A substance which is not paramagnetic is: Green vitriol is Which is the correct order of ionic sizes?) At.no.∶Ce=58,Sn=50,Yb=70 and Lu=71) In the first transition series, the differentiating electron enters: Philosopher’s wool on heating with BaO at 1100

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C produce A compound in which a metal ion

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