When 0.1 mol CoCl₃ (NH₃)₅ is treated with excess of AgNO₃ , 0.2 mol of AgCl are obtained. The conductivity of solution will correspond to 

1

(a)

1:3 electrolyte

(b)

1:2 electrolyte

(c)

1:1 electrolyte

(d)

3:1 electrolyte

When 1 mol CrCl₃.6H₂O is treated with excess of AgNO₃, 3 mol of AgCl are obtained. The formula of the complex is 

1

(a)

[CrCl₃(H₂O)₃].3H₂O

(b)

[CrCl₂(H₂O)₄]Cl.2H₂O

(c)

[CrCl(H₂O)₅]Cl₂.H₂O

(d)

[Cr(H₂O)₆Cl₃

The correct IUPAC name of [Pt(NH₃)₂Cl] is 

1

(a)

Diamminedichloridoplatinum (II)

(b)

Diamminedichloridoplatinum (IV)

(c)

Diamminedichloridoplatinum (0)

(d)

Dichloridodiammineplatinum (IV)

The stabilisation of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species? 

1

(a)

[Fe(CO)₅]

(b)

[Fe(CN)₆]^3-

(c)

[Fe(C₂O₄)₃]^3-

(d)

[Fe(H₂O)₆]³⁺

Indicate the complex ion which shows geometrical isomerism.

1

(a)

[Cr(H₂O)₄Cl₂]⁺

(b)

[Pt(NH₃)₃Cl]

(c)

[Co(NH₃)₆]³⁺

(d)

[Co(CN)₅(NC)]^3-