Q.1
Name the geometry of the central oxygen atom in the ozone molecule (O3).
  • a) Trigonal planar
  • b) Linear
  • c) Tetrahedral
  • d) Pyramidal
Q.2
In which molecule there is a complete linear arrangement of all atoms?
  • a) BF3
  • b) NH3
  • c) CO2
  • d) CH4
Q.3
Choose the incorrect option.
  • a) BrO4 – tetrahedral
  • b) PF3 – pyramidal
  • c) ClO4 – tetrahedral
  • d) BeBr2 – linear
Q.4
Which among the following is not a physical property?
  • a) Melting point
  • b) Boiling point
  • c) Solubility
  • d) Reactivity
Q.5
A crystalline solid possess which one of the following property?
  • a) Irregularity
  • b) Non- symmetric
  • c) Perfect geometric pattern
  • d) non- stability
Q.6
Melting is process which can be stated by the below statements except?
  • a) Change from a highly disordered stated to an ordered state
  • b) Change from particles in crystal lattice to liquid state
  • c) Thermal energy of particles overcome the intercrystalline forces that hold them
  • d) Change from low temperature to high temperature
Q.7
Which among the following is not associated with intermolecular forces?
  • a) They hold neutral molecules
  • b) Non- electrostatic in nature
  • c) attraction of oppositely charged particles
  • d) dipole-dipole interaction and van der Waals forces
Q.8
Which among the following statement is not true?
  • a) In liquid, particles are less regularly arranged and are free to move
  • b) Boiling involves breaking up of group of molecules in liquid
  • c) Boiling involves clubbing of oppositely charged ions
  • d) Thermal energy of particles overcome cohesive forces that hold them
Q.9
When one of the Hydrogen in Methane(CHis replaced by a hydroxyl group, then structurally methane resembles?
  • a) Methanol
  • b) Ethanol
  • c) Water
  • d) Both methanol and water
Q.10
Which among the following does not match with the term solubility?
  • a) The structural units get separated from each other
  • b) The ion-dipole bond is very strong
  • c) The spaces in between the structures are occupied by solvent molecules
  • d) The electrostatic attraction between the oppositely charged ions and their corresponding ends are called ion-dipole bond
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