JEE CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES

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During the quantitative analysis of salt cation

{\mathrm{y}^{2 + }},

addition of a reagent (X) to alkaline solution of the salt gives a bright red precipitate. The reagent (X) and the cation

\left( {{\mathrm{y}^{2 + }}} \right)

present respectively are:

View answer and explanation

Correct option: A

Dimethylglyoxime and

N{i^{2 + }}

Option A (Dimethylglyoxime and

N{i^{2 + }}

) is correct because dimethylglyoxime (DMG) reacts with

N{i^{2 + }}

in alkaline solution to form a bright red precipitate.

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