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Labirin
Gaya Bebas
Universiti
sains

Alkane

SYAFIQAH BINTI
3
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Masalah tambahan (10/ 20)
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masalah 1

pilihan

What is the general formula for alkanes?

  • CnH2n
  • CnH2n+2
  • CnH2n−2
  • CnH2n+1

masalah 2

pilihan

Which of the following is the correct IUPAC name for a branched alkane with the structure CH3−CH(CH3)−CH2−CH3?

  • 2-methylbutane
  • 3-methylbutane
  • Pentane
  • Isobutane

masalah 3

pilihan

What type of reaction occurs when alkanes react with chlorine in the presence of UV light?

  • Combustion
  • Free radical substitution
  • Addition
  • Elimination

masalah 4

pilihan

Which of the following has the highest boiling point?

  • 2-methylpropane
  • Butane
  • 2,2-dimethylpropane
  • Pentane

masalah 5

pilihan

Cycloalkanes have the general formula:

  • CnH2n
  • CnH2n+2
  • CnH2n−2
  • CnH2n+1

masalah 6

pilihan

Which of the following is NOT a product of the complete combustion of alkanes?

  • Carbon dioxide
  • Water
  • Carbon monoxide
  • Hydrogen gas

masalah 7

pilihan

In the halogenation of alkanes, bromine is more __________ than chlorine.

  • Reactive
  • Selective
  • Stable
  • Polar

masalah 8

pilihan

Which step in the free radical substitution mechanism involves the formation of a methyl radical?

  • Chain initiation
  • Chain propagation
  • Chain termination
  • None of the above

masalah 9

pilihan

True or False: Alkanes are unsaturated hydrocarbons.

  • True
  • False

masalah 10

pilihan

True or False: The boiling point of alkanes increases with molecular weight.

  • True
  • False
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