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Question: Answered & Verified by Expert

An ammoniacal metal salt solution gives a brilliant red precipitate on addition of dimethylglyoxime. The metal ion is :

Chemistryp Block Elements (Group 15, 16, 17 & 18)JEE MainJEE Main 2023 (24 Jan Shift 1)
Options:
  • A Cu2+
  • B Ni2+
  • C Fe2+
  • D Co2+
Solution:
1856 Upvotes Verified Answer
The correct answer is: Ni2+

Nickel cation reacts with dimethylglyoxime forms an insoluble red precipitate of nickel dimethylglyoxime.

 

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