Q.1
Which substance has higher boiling point.
  • butane
  • propane
  • 2-methylpropane
  • 2-methylbutane
Q.2
Molecules with the same formula but different structures are known as:
  • ions
  • isomers
  • isotopes
  • ionic bonds
Q.3
Hydrocarbon boiling points increase when branching increases.
  • true
  • false
Q.4
Organic compounds are compounds contain ______________.
  • O
  • C
  • N
  • S
Q.5
The alkanes which will have the highest boiling point is ….
  • n-pentane
  • 2-methylbutane
  • 2,3-dimethylpropane
  • n-hexane
Q.6
Looking at the chemical formulae of these compounds, which is an alkane?
  • C3H8
  • C2H4
  • C5H10
  • C4H8
Q.7
Light or heat is required for which step in the halogenation of alkane?
  • initiation
  • propagation
  • termination
Q.8
Alkane insoluble in water because
  • can form Hydrogen bond with water molecule
  • alkane soluble in benzene
  • alkane soluble in non polar solvent
  • can't form Hydrogen bond with water molecule
Q.9
The strongest attractive force between Alkane molecules is
  • dispersion forces
  • dipole-dipole forces
  • strong covalent bonds
  • hydrogen bonding
Q.10
If an alkane hascarbon atoms, how many hydrogen atoms will it have?
  • 20
  • 22
  • 40
  • 42
0 h : 0 m : 1 s