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When dimethyl glyoxime solution is added...

When dimethyl glyoxime solution is added to an aqueous solution of nickel (II) chloride followed by ammonium hydroxide

A

no precipitate is obtained

B

a blue coloured ppt is obtained

C

a red coloured ppt is obtained

D

a black coloured ppt is obtained

Text Solution

Verified by Experts

The correct Answer is:
3
Add `NH_(4)OH` (excess) and dimethyl glyoxime, a red precipitate appears, if nickel is present
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NARAYNA-QUALITATIVE ANALYSIS-Level -II (H.W.)
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  2. In the separation of Cu^(2+) and Cd^(2+) of Iind group in qualitative ...

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  3. Which of the following sulphate is insoluble in water ?

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  4. Passing H(2)S gas into a mixture of Mn^(2+), Ni^(2+), Cu^(2+) and Hg^(...

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  5. An aqueous solution of a substance gives a white precipitate on treat...

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  6. When H(2)S gas is passed through an ammonical salt solution X, a sligh...

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  7. MgSO(4) on reaction with NH(4)OH and Na(2)HPO(4) forms a white crystal...

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  8. When dimethyl glyoxime solution is added to an aqueous solution of nic...

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  9. Aqueous solution of A gives yellow precipitate with aqueous solution o...

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  12. Mercurous chloride black on adding NH(4)OH to it. Explain.

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  17. Calomel (Hg(2)Cl(2)) on reaction with ammonium hydroxide gives

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  18. A sulphate of a metal (A) on heating evolves two gases (B) and ( C) an...

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  19. Which of the following pairs is not distinguished by passing H(2)S ?

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