The qualitative reagent | QUALITATIVE ANALYSIS (ANION)...

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JEE-Main 2022

24-6-22_S1

Question

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 $(\mathrm{X})$ and the cation $\left(\mathrm{y}^{2+}\right)$ present respectively are:

Select the correct option:

A

Dimethylglyoxime and $\mathrm{Ni}^{2+}$

B

Dimethylglyoxime and $\mathrm{Co}^{2+}$

C

Nesslens, reagent and $\mathrm{Hg}^{2+}$

D

Nessler"s reagent and $\mathrm{Ni}^{2+}$

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