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Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - JAMB MCQ


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10 Questions MCQ Test Chemistry for JAMB - Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism

Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism for JAMB 2024 is part of Chemistry for JAMB preparation. The Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism questions and answers have been prepared according to the JAMB exam syllabus.The Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism MCQs are made for JAMB 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism below.
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Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 1

Which of the following statements about alkanes is correct?

Detailed Solution for Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 1

Alkanes are saturated hydrocarbons, meaning they contain only single bonds between carbon atoms. The general formula for alkanes is CnH2n+2, where "n" represents the number of carbon atoms in the molecule. This formula indicates that alkanes have twice as many hydrogen atoms as carbon atoms, plus two additional hydrogen atoms.

Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 2

Which of the following is an example of a substitution reaction involving alkanes?

Detailed Solution for Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 2

The reaction of alkanes with concentrated sulfuric acid is an example of a substitution reaction. In this reaction, one or more hydrogen atoms in the alkane are replaced by functional groups derived from the sulfuric acid, such as -OH or -SO3H.

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Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 3

Which of the following properties is not associated with alkanes?

Detailed Solution for Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 3

Alkanes are characterized by single bonds between carbon atoms, and they do not have the ability to form carbon-carbon double bonds. Alkenes, on the other hand, are unsaturated hydrocarbons that contain at least one carbon-carbon double bond.

Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 4

Which of the following statements about isomerism is correct?

Detailed Solution for Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 4

Isomers are compounds that have the same molecular formula, meaning they have the same number and types of atoms, but they differ in the arrangement of atoms. This leads to different structural formulas for isomers.

Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 5

Which of the following is not a type of isomerism?

Detailed Solution for Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 5

Hydrogenation isomerism is not a recognized type of isomerism. The correct term for isomerism involving the positioning of hydrogen atoms is positional isomerism.

Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 6

How many structural isomers are possible for the molecular formula C5H12?

Detailed Solution for Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 6

For the molecular formula C5H12, three structural isomers are possible: pentane, 2-methylbutane, and 2,2-dimethylpropane. Each of these isomers has a different arrangement of carbon atoms and hydrogen atoms.

Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 7

Which of the following halogenated products is used as a refrigerant?

Detailed Solution for Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 7

Tetrachloromethane, commonly known as carbon tetrachloride, is used as a refrigerant in various applications due to its low boiling point and stability.

Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 8

Which of the following halogenated products is used as a fire extinguisher?

Detailed Solution for Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 8

Tetrachloromethane is used as a fire extinguisher because it is non-flammable and can effectively displace oxygen, thus preventing combustion.

Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 9

Which of the following halogenated products is used as a solvent for dry cleaning?

Detailed Solution for Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 9

Dichloromethane, also known as methylene chloride, is commonly used as a solvent in dry cleaning processes due to its ability to dissolve a wide range of organic compounds.

Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 10

Which of the following statements about substitution reactions is correct?

Detailed Solution for Test: Alkanes - Homologous Series, Substitution Reaction & Isomerism - Question 10

Substitution reactions involve the replacement of one functional group with another in a chemical compound. This can occur in various types of compounds, including alkanes, and often involves the substitution of a hydrogen atom with another atom or group.

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