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Alkane
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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
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