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NEET levelSingle correct optionDifficulty 1 of 3qc064

Dimethylglyoxime in ammoniacal solution gives a characteristic precipitate with $Ni X^{2 +}$ of colour

Awhite
Bdeep blue
Cbright (cherry) red
Dcanary yellow

Answer: C

Ni X^{2 +}

gives the bright red, insoluble complex

Ni (DMG) X_{2}

in ammoniacal solution; this is the standard confirmatory test for nickel.

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