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CHXII09:COORDINATION COMPOUNDS

321921 During the qualitative analysis of salt with cation $y^{2 +}$ , addition of a reagent $(X)$ to alkaline solution of the salt gives a bright red precipitate. The reagent $(X)$ and the cation $(y^{2 +})$ present respectively are

1 Dimethylglyoxime and

{Ni}^{2 +}

2 Dimethylglyoxime and

{Co}^{2 +}

3 Nessler's reagent and

{Hg}^{2 +}

4 Nessler's reagent and

{Ni}^{2 +}

Explanation:

${Ni}^{2 +} + {DMG}^{-} \to [Ni (DMG)_{2}] ↓$
(Bright red precipitate)

JEE - 2022

NEET DIGITAL LIBRARY