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Related Questions

  1. Which one of the following species does not exist under normal conditions?
  2. In third group, iron gives blood red colouration with ammonium thiocyanate
  3. Chlorination of toluene in the presence of light and heat followed by treatment
  4. An organic compound ‘X’ having molecular formula C₅H₁₀O yields phenyl hydrozone
  5. In acidic medium, H₂O₂ changes Cr₂O₇²⁻ to CrO₅ which has two