Class XII

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
According to Werner’s theory, the secondary valences of the central atom correspond to its
  1. Coordination number
  2. None of these
  3. Oxidation number
  4. EAN
Which among the following has square pyramidal geometry?
  1. Bis(acetylacetonato)oxovanadium(IV)
  2. Tetracarbonylnickel(0)
  3. Pentacarbonyliron(0)
  4. Hexaamminecobalt(II) nitrate
Which among the following is an ambidentate ligand?
  1. Acetate
  2. Nitro
  3. Oxalate
  4. Carbonyl
A group of atoms can function as a ligand only when
  1. - ------It is a negatively charged ion -------------------------------------------------------------------------- It is a negatively charged ion ------------------------------------------------------------------------------- It is a negatively
  2. It is a small molecule
  3. It is capable of acting as donor of electron pair
  4. It is a positively charged ion
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