Q.1
Which of the following is a microscopic property?
  • a) Reactivity
  • b) Inter-molecular force
  • c) Boiling point
  • d) Kinetic energy
Q.2
Which of the following has the highest bond dissociation energy?
  • a) Covalent bond
  • b) Vander Waals forces
  • c) Dipole-dipole
  • d) Hydrogen bond
Q.3
The strength of Vander Waals forces depends upon ___________
  • a) Size of the molecule
  • b) Molecular structure
  • c) Number of electrons present in the molecule
  • d) All of the mentioned
Q.4
Arrange the following molecules in the order of increasing boiling point.
  • a) I2 < Br2 < Cl2 < F2
  • b) F2 < Cl2 < Br2 < I2
  • c) F2 < Br2 < Cl2 < I2
  • d) Cl2 < F2 < I2 < Br2
Q.5
Hydrogen bonding is maximum in ___________
  • a) Diethyl ether
  • b) Ethyl chloride
  • c) Ethanol
  • d) Triethylamine
Q.6
Which of the following is not a necessary condition for the formation of intra-molecular hydrogen bonding?
  • a) A 5 or 6-membered ring should be formed
  • b) The ring should be planar
  • c) There should be minimum strain during the ring closure
  • d) There should be maximum strain during the ring closure
Q.7
Which of the following is the consequence of hydrogen bonding?
  • a) Abnormal boiling point
  • b) Solubility and Viscosity
  • c) Azeotropic behavior
  • d) All of the mentioned
Q.8
O-nitrophenol is more volatile than p-nitrophenol due to ___________
  • a) Inductive effect
  • b) Electromeric effect
  • c) Inter-molecular hydrogen bonding in O-nitrophenol
  • d) Intra-molecular hydrogen bonding in O-nitrophenol
Q.9
Which of the following possess lowest energy?
  • a) NO
  • b) O2
  • c) N2
  • d) CO
Q.10
At what temperature does the water molecules contract?
  • a) At 00C
  • b) Below 00C
  • c) At 40C
  • d) Between 00C and 40C
0 h : 0 m : 1 s