Organic chemistry. Alkenes and alkanes

What is the systematic name for the compound shown below?

• E-3-methylpent-2-ene

• E-3-methylpent-3-ene

• Z-3-methylpent-2-ene

• Z-3-methylpent-3-ene

100 cm³ of methane, CH₄, is completely burned in 400 cm³ of oxygen.

What is the final volume of the gas mixture, in cm³, when all volumes are measured at room temperature and pressure?

• 100

• 200

• 300

• 400

The skeletal formula of 3-methylcyclobut-1-ene is shown.

What is the skeletal formula of 1-ethyl-3-methylcyclopent-1-ene?

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Which compound has E-Z isomers?

• but-1-ene

• but-2-ene

• 1,1-dichloroethene

• 2-methylbut-2-ene

Which compound has an empirical formula different from its molecular formula?

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When ethane reacts with chlorine, a mixture of products forms. Which product is the best evidence for a free radical mechanism?

•  HCl

• C₄H₁₀

• C₂H₅Cl

• C₂H₄Cl₂

Copolymers are formed from two different monomers.

The repeat unit of a copolymer is shown. This copolymer is formed from ethene and

• propane.

• 2-methylbutane.

• propene.

• 2-methylbut-1-ene.

  
  

Which is a free radical?

• OH₃⁺

• OH₂

•  OH⁻

•  OH

Which of the following is a reforming reaction?

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Which of the following is a step in the propagation stage of the chlorination of methane?

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