Transition Metals Shapes, Ligand Substitution, Colours

What is the correct name for this complex ion?

[Cu(NH₃)₄(H₂O)₂]²⁺

• Hexaamminecopper (II)

• Hexaamminecuprate (II)

• Tetraamminediaquacuprate (II)

• Tetraamminediaquacopper (II)

What colour is this complex ion?

[Cu(NH₃)₄(H₂O)₂]²⁺

• Blue

• Green

• Deep Blue

• Yellow

What shape is this complex ion?

[Cu(NH₃)₄(H₂O)₂]²⁺

• Tetrahedral

• Octahedral

• Square Planar

• Trigonal Bipyramidal

What colour is this complex ion?

[Co(H₂O)₆]²⁺

• Blue

• Green

• Deep Blue

• Pink

What colour is this complex ion?

[CoCl₄]^2-

• Blue

• Purple

• Yellow

• Pink

What is the correct name for this complex ion?

[Co(NH₃)₄Cl₂]⁺

• Tetraamminedichlorocobalt (III)

• Tetraamminedichlorocobalt (I)

• Dichlorotetraamminecobalt (III)

• Dichlorotetraamminecobalt (I)

Which of the following complexes can show cis-trans isomerism? [NOTE POSSIBLY MORE THAN ONE]

• [Co(NH₃)₄Cl₂]⁺

• [Pt(NH₃)₂Cl₂]

• [Co(NH₃)₆]²⁺

• [Co(en)₃]²⁺

Which of the following complexes has optical isomerism? [NOTE POSSIBLY MORE THAN ONE]

• [Co(en)₃]²⁺

• [Co(en)₂Cl₂]⁺

• [Co(NH₃)₆]²⁺

• [Co(en)(NH₃)₄]²⁺

What is the correct colour change for this ligand substitution reaction?

[Cu(H₂O)₆]²⁺ + 4Cl^- --> [CuCl₄]^2- + 6H₂O

• Blue --> deep blue

• Blue --> Green

• Pink --> Blue

• Blue--> Yellow

What is the correct change in complex shape for this ligand substitution reaction?

[Cu(H₂O)₆]²⁺ + 4Cl^- --> [CuCl₄]^2- + 6H₂O

• Octahedral --> Tetrahedral

• Octahedral --> Square Planar

• Octahedral --> Hexagonal

• Tetrahedral --> Octahedral