Class XII

Ligand en is an example of
  1. Tridentate ligand
  2. Hexadentate ligand
  3. Monodentate ligand
  4. Bidentate ligand
Blue solution of CuSO4 becomes darker when treated with ammonia because
  1. Ammonia is stronger ligand than water
  2. None of these
  3. Ammonia is highly soluble in water
  4. Ammonia molecule replaces water molecule in solution
A complex involving dsp2 hybridization has
  1. Octahedral geometry
  2. Square planar geometry
  3. Trigonal planar geometry
  4. Tetrahedral geometry
Which among the following has square pyramidal geometry?
  1. Bis(acetylacetonato)oxovanadium(IV)
  2. Tetracarbonylnickel(0)
  3. Pentacarbonyliron(0)
  4. Hexaamminecobalt(II) nitrate
The IUPAC name of AlCl3.4(EtOH) is
  1. Aluminium(III) chloride – 4 – ethanol
  2. Aluminium chloride – 4 – ethanol
  3. Aluminium (II) chloride – 4 – ethanol
  4. Aluminium (IV) chloride – 4 – hydroxyethane
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