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6. Tollens reagent is...

  • Aqueous sodium hydroxide, aqueous silver nitrate, aqueous ammonia
  • 2,4-DNP, methanol and sulfuric acid

7. ACID hydrolysis of an ester requires...

  • Water, and an acid as a catalyst
  • HCl
  • NaOH

8. ALKALINE hydrolysis of an ester requires...

  • Water and NaOH as a catalyst
  • NaOH
  • HCl
  • Water, and an acid as a catalyst

9. REDUCTION OF NITROBENE requires...

  • HNO3, HCl and 50 degrees
  • Concentrated HCl, tin and reflux
  • HNO3, H2SO4 and 50 degrees
  • HNO3, H2SO4 and 150 degrees
  • Concentrated HCl, reflux

10. DIAZOTISATION requires...

  • Nitrous acid, HCl
  • Nitrous acid, HCl, below 10 degrees
  • Nitrous acid, HCl and 50 degrees

11. COUPLING requires...

  • A phenol
  • Nitrous acid, HCl, below 10 degrees
  • Phenol, alkaline conditions
  • Concentrated Hcl, tin, reflux