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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+ CAREER POINT CAREER POINT Ltd., CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 081-47250011 www.careerpoint.ac.in 17 JEE Main Online Paper

Correct answer: Dimethylglyoxime and Ni 2+

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