Related Questions

  1. Which of the following elements will have the lowest first ionisation energy?
  2. A reaction occurs spontaneously is
  3. p-Nitrobromobenzene can be converted to p-nitroaniline by using NaNH₂.
  4. Solubility of MX₂ – type electrolytes is 0.5 ˣ 10⁻⁴ mol/L.,
  5. Standard enthalpy of vaporisation Δvap H⁰ for water at 100⁰C is 40.66 kJ mol⁻¹.