Virtual Labs

a: Oxalic acid Explanation

Explanation

b: Dimethyl glyoxime Explanation

Explanation

c: EDTA Explanation

Explanation

d: Ammonium oxalate Explanation

Explanation

a: To dissolve the nickel complex Explanation

Explanation

b: To adjust the temperature Explanation

Explanation

c: To maintain the pH for chelation Explanation

Explanation

d: To oxidize nickel ions Explanation

Explanation

a: It forms complexes with water molecules Explanation

Explanation

b: It may lead to precipitation of DMG itself Explanation

Explanation

c: It causes the nickel complex to evaporate Explanation

Explanation

d: It reduces the solubility of the nickel complex Explanation

Explanation

Gravimetric Estimation of Nickel