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CBSE Questions for Class 11 Medical Chemistry Hydrogen Quiz 14 - MCQExams.com

Last traces of water is removed from H2O2 by?
  • electrolysis
  • crystallisation
  • condensation
  • evaporation
Select the incorrect statement from the following:
  • H+ can exist as H9O+4 in water.
  • H2 is thermally stable.
  • Ionisation of CH3COOH is slower than that of CH3COOD
  • Kinetic isotopic effect is observed when there is retardation in the rate if H2O is replaced by D2O
By which of the following methods, H2O2 can't be synthesised ?
  • Lewis addition of ice cold H2SO4 on BaO2
  • Addition of ice cold H2SO4 and PbO2
  • Aerial oxidation of 2-ethyl anthraquinol
  • Electrolysis of (NH4)2SO4 at a high current density
State true or false:

The rapid cooking in pressure cookers is based upon the principle that boiling point of water increases with increase in pressure.
  • True
  • False
Complete hydrolysis of one mole of peroxydisulphuric acid gives one mole of H2O2 and two moles of H2SO4.
  • True
  • False
Water cannot be used to extinguish the petrol fire.
  • True
  • False
Statement - 1: Dihedral angle of H2O2 in gaseous state is 90.
Statement - 2: Dihedral angle of H2O2 in solid state is 111.
Are the statements true or false?
  • True, True
  • True, False
  • False, True
  • False, False
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Practice Class 11 Medical Chemistry Quiz Questions and Answers