Hydrocarbons & Organic Chemistry

Alkenes MCQs with Answers

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Alkenes are unsaturated hydrocarbons characterized by at least one carbon-carbon double bond in their molecular structure. This double bond imparts unique chemical properties that distinguish them from alkanes, contributing to their versatility in organic chemistry.

MCQs (Multiple Choice Questions) on alkenes typically cover a range of topics essential for understanding their structure, nomenclature, reactions, and applications. Quiz questions often include identifying and naming alkenes based on their molecular formula or structure, distinguishing between geometric isomers (cis-trans isomerism) in substituted alkenes, and predicting the products of common reactions such as addition reactions, polymerization, or oxidation reactions.

Alkenes Online Quiz

By presenting 3 options to choose from, Alkenes Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Alkenes Questions and Answers and click over the correct answer.

  • Test Name: Alkenes MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quiz, simply click on question and comment below that question, so that we can update the answer in the quiz section.

Alkenes MCQs

Alkenes Quiz

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1 / 40

Which of the following is NOT a common industrial use of alkenes?

2 / 40

Which of the following reagents is commonly used in the dehydration of alcohols to produce alkenes?

3 / 40

What type of reaction converts alkenes to alkanes by breaking the pi bond and adding hydrogen atoms?

4 / 40

What is the product of the addition of bromine to propene?

5 / 40

What is the product of the addition of chlorine to ethene?

6 / 40

Which of the following is a common use of propene?

7 / 40

Which of the following reagents is commonly used in the dehalogenation of alkyl halides to produce alkenes?

8 / 40

Which of the following is an example of an alkene?

9 / 40

Which of the following reagents is commonly used in the bromohydrin formation of alkenes?

10 / 40

Which of the following is NOT a physical property of alkenes?

11 / 40

What is the product of the dehalogenation of 1-chlorobutane?

12 / 40

What is the product of the hydrogenation of ethene?

13 / 40

Which of the following reagents is commonly used in the hydrohalogenation of alkenes?

14 / 40

What is the hybridization of the carbon atoms in ethene?

15 / 40

What is the product of the addition of water to propene in the presence of a sulfuric acid catalyst?

16 / 40

Which of the following functional groups characterizes alkenes?

17 / 40

What is the product of the addition of hydrogen to propene in the presence of a nickel catalyst?

18 / 40

What is the product of the addition of water to ethene in the presence of a sulfuric acid catalyst?

19 / 40

What is the product of the hydration of ethene?

20 / 40

What is the product of the dehydrohalogenation of 2-bromopropane?

21 / 40

Which of the following is NOT a method for the preparation of alkenes?

22 / 40

How many pi bonds are present in a molecule of ethene (ethylene)?

23 / 40

What is the product of the addition of hydrogen bromide to propene?

24 / 40

Which of the following is NOT a chemical property of alkenes?

25 / 40

Which of the following is a common industrial use of alkenes?

26 / 40

What is the product of the addition of water to propene in the presence of bromine?

27 / 40

Which of the following reagents is commonly used in the acid-catalyzed hydration of alkenes?

28 / 40

Which of the following is a common use of ethene?

29 / 40

Which of the following reagents is commonly used in the bromination of alkenes?

30 / 40

Which of the following is NOT a method for the synthesis of alkenes from alkyl halides?

31 / 40

What is the IUPAC name of 1-butene?

32 / 40

What is the general formula of alkenes?

33 / 40

What is the product of the addition of hydrogen chloride to propene?

34 / 40

What is the IUPAC name of ethene?

35 / 40

What is the IUPAC name of propene?

36 / 40

What type of reaction converts alkenes to alcohols by adding water across the double bond?

37 / 40

Which of the following reagents is commonly used in the dehydrohalogenation of alkyl halides to produce alkenes?

38 / 40

What is the product of the addition of sulfuric acid to propene?

39 / 40

What is the product of the addition of bromine to ethene?

40 / 40

What is the molecular geometry around each carbon atom in ethene?

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Alkenes Flashcards

Which of the following is an example of an alkene?

Ethene

What is the general formula of alkenes?

CnH2n

How many pi bonds are present in a molecule of ethene (ethylene)?

1

What is the IUPAC name of ethene?

Ethene

Which of the following functional groups characterizes alkenes?

C=C (carbon-carbon double bond)

What is the hybridization of the carbon atoms in ethene?

sp2

What is the molecular geometry around each carbon atom in ethene?

Trigonal planar

Which of the following is NOT a physical property of alkenes?

Solubility in water

Which of the following is NOT a chemical property of alkenes?

Reactivity with metals

What type of reaction converts alkenes to alkanes by breaking the pi bond and adding hydrogen atoms?

Hydrogenation

What type of reaction converts alkenes to alcohols by adding water across the double bond?

Hydration

What is the product of the hydration of ethene?

Ethanol

What is the product of the hydrogenation of ethene?

Ethane

Which of the following is NOT a method for the preparation of alkenes?

Decarboxylation

Which of the following reagents is commonly used in the dehydration of alcohols to produce alkenes?

Sulfuric acid (H2SO4)

Which of the following is NOT a method for the synthesis of alkenes from alkyl halides?

Dehalogenation

What is the product of the dehydrohalogenation of 2-bromopropane?

Propene

Which of the following reagents is commonly used in the dehydrohalogenation of alkyl halides to produce alkenes?

Strong base like potassium hydroxide (KOH)

What is the product of the dehalogenation of 1-chlorobutane?

Butene

Which of the following reagents is commonly used in the dehalogenation of alkyl halides to produce alkenes?

Zinc metal (Zn)

What is the IUPAC name of propene?

Propene

What is the IUPAC name of 1-butene?

But-1-ene

Which of the following is NOT a common industrial use of alkenes?

Production of plasticizers

Which of the following is a common industrial use of alkenes?

Production of polymers like polyethylene

What is the product of the addition of hydrogen to propene in the presence of a nickel catalyst?

Propane

What is the product of the addition of chlorine to ethene?

1,2-dichloroethane

What is the product of the addition of water to propene in the presence of a sulfuric acid catalyst?

Propanol

Which of the following is a common use of propene?

Production of polypropylene

Which of the following is a common use of ethene?

Production of polyethylene

What is the product of the addition of bromine to ethene?

1,2-dibromoethane

What is the product of the addition of hydrogen bromide to propene?

1-bromopropane

Which of the following reagents is commonly used in the bromination of alkenes?

Bromine (Br2)

What is the product of the addition of hydrogen chloride to propene?

1-chloropropane

Which of the following reagents is commonly used in the hydrohalogenation of alkenes?

Hydrogen halides like HCl

What is the product of the addition of sulfuric acid to propene?

Propyl hydrogen sulfate

Which of the following reagents is commonly used in the acid-catalyzed hydration of alkenes?

Sulfuric acid (H2SO4)

What is the product of the addition of water to ethene in the presence of a sulfuric acid catalyst?

Ethanol

What is the product of the addition of bromine to propene?

1,2-dibromopropane

Which of the following reagents is commonly used in the bromohydrin formation of alkenes?

Bromine and water

What is the product of the addition of water to propene in the presence of bromine?

2-bromopropanol

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