Hydrocarbon

Organic compound in the same homologous series have the following characteristic, except ....

• Same general formula

• Same functional group

• Similar chemical properties

• Same physical properties

The empirical formula of an organic compound is CH2O. The molecular formula that is suitable for that organic compound is ….

• C₂H₆O₂

• C₂H₆O

• C₄H₅O₂

• C₅H₁₀O₅

The skeletal formula for CH₃CH₂CH₂CH₃ is ….

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Ethene and propene are alkene in the same homologous series. Complete the following sentence about a homologous series using words from the list below.

A homologous series is a family of similar ……….. with similar….. properties due to the same ….. group.

LIST

alcohols

functional

chemical

mixtures

compounds

physical

elements

The right words to complete the sentence respectively are ….

• alcohols, chemicals, compounds

• functional, chemical, mixtures

• compounds, chemical, functional

• mixtures, chemical, compound

The structure for organic compounds shown below. The structure which shown the displayed structure is ….

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The molecular formula below which shown the alkanes compound is ….

• C₂H₄

• C₃H₇

• C₄H₁₀

• C₅H₈

The name for this compound is ....

• 2-ethylpropane

• 1,1-dimethylpropane

• 2-methylbutane

• 3-methylbutane

The name for the compound is ....

• 2,3-dimethylpropane

• 3,4-dimethylpropane

• 2,3-dimethylpentane

• 3,4-dimethylpentane

The systematic name for the structure shown is

• 1,1-dimethylpropane

• 2-methylbutane

• 3-methylbutane

• 2-methylpentane

In which of the following reactions is oxygen use up?

• Addition

• Elimination

• Combustion

• Substitution