Related Questions

  1. In which of the following pairs of molecules/ions, the central atoms have
  2. The oxidation state of Cr in K₂Cr₂O₇ is
  3. When enthalpy and entropy change for a chemical reaction are – 2.5 x 10³ cals
  4. Nitrogen dioxide and sulphur dioxide have some properties in common.
  5. In the van der Waals equation, ‘a’ signifies