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JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
An ammoniacal metal salt solution gives a brilliant red precipitate on addition of dimethylglyoxime. The metal ion is :
- A \(Cu ^{2+}\)
- B \(Co ^{2+}\)
- C \(Fe ^{2+}\)
- D \(Ni ^{2+}\)
Answer & Solution
Correct Answer
(D) \(Ni ^{2+}\)
Step-by-step Solution
Detailed explanation
\(Ni ^{+2}+2 DMG \stackrel{ NH _3( aq )}{\longrightarrow}\left[ Ni ( DMG )_2\right]\)
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