Practice Engineering Chemistry Basic Multiple Choice Questions with Answers Quiz-1 - MCQGeeks.com

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