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

Last traces of water is removed from $$H_2O_2$$ by?
  • electrolysis
  • crystallisation
  • condensation
  • evaporation
Select the incorrect statement from the following:
  • $$H^{+}$$ can exist as $$H_{9}O_{4}^{+}$$ in water.
  • $$H_{2}$$ is thermally stable.
  • Ionisation of $$CH_{3}COOH$$ is slower than that of $$CH_{3}COOD$$
  • Kinetic isotopic effect is observed when there is retardation in the rate if $$H_{2}O$$ is replaced by $$D_{2}O$$
By which of the following methods, $$H_{2}O_{2}$$ can't be synthesised ?
  • Lewis addition of ice cold $$H_{2}SO_{4}$$ on $$BaO_{2}$$
  • Addition of ice cold $$H_{2}SO_{4}$$ and $$PbO_{2}$$
  • Aerial oxidation of $$2$$-ethyl anthraquinol
  • Electrolysis of $$(NH_{4})_{2}SO_{4}$$ 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 $$H_2O_2$$ and two moles of $$H_2SO_4$$.
  • True
  • False
Water cannot be used to extinguish the petrol fire.
  • True
  • False
Statement - 1: Dihedral angle of $$H_{2}O_{2}$$ in gaseous state is $$90^{\circ}$$.
Statement - 2: Dihedral angle of $$H_{2}O_{2}$$ in solid state is $$111^{\circ}$$.
Are the statements true or false?
  • True, True
  • True, False
  • False, True
  • False, False
0:0:1


Answered Not Answered Not Visited Correct : 0 Incorrect : 0

Practice Class 11 Medical Chemistry Quiz Questions and Answers