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  • Help me please, Which reagent can be used to identify nickel ion

Which reagent can be used to identify nickel ion

  • Option 1)

     Resorcinol

  • Option 2)

     Dimethyl glyoxime [DMG]

  • Option 3)

    Diphenylbenzidine

  • Option 4)

    Potassium ferrocyanide

 

Answers (1)

best_answer

As we have learned

Chelate ligands and Chelate complex -

When a di or polydentate ligand uses its two or more donor atom to bind a single metal atom to form a cycle ring, it is known as chelate ligand.

Complex formed by chelate ligands are called chelate compound. 

- wherein

Chelate complex are more stable than ligands containing unidentate ligand.

 

 reacts with dimethylglyoxime to give red ppt. of nickel-dimethyl glyoxime complex. 

 


Option 1)

 Resorcinol

Option 2)

 Dimethyl glyoxime [DMG]

Option 3)

Diphenylbenzidine

Option 4)

Potassium ferrocyanide

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Plabita

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