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Related Questions

  1. Reaction BaO₂(s) ⇌ BaO(s) + O₂(g) ; ΔH = +ve.In equilibrium condition,
  2. IF the bond energies of H – H , Br – Br and H – Br are 433 , 192 and 364 kJ mol⁻¹
  3. Which of the following statements is correct
  4. The hardness of transition elements is due to their
  5. The wavelength correspending to maximum enregy for hydrogen is 91.2 nm