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NEET levelSingle correct optionDifficulty 1 of 3qc119

Dimethylglyoxime in ammoniacal medium gives a characteristic precipitate with $Ni X^{2 +}$ . Its colour is

Abright yellow
Bdeep blue
Crose red (cherry red)
Dchocolate brown

Answer: C

Nickel(II) dimethylglyoximate,

Ni (DMG) X_{2}

, is a rose-red (cherry-red) precipitate formed in ammoniacal solution. It is the specific confirmatory test for

Ni X^{2 +}

.

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