Hydrocarbons & Organic Chemistry

Alkynes MCQs with Answers

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Understanding alkynes is essential in organic chemistry, focusing on hydrocarbons characterized by carbon-carbon triple bonds. MCQs (Multiple Choice Questions) on alkynes aim to assess knowledge of their structure, properties, reactions, and industrial applications.

Alkynes are unsaturated hydrocarbons with the general formula CnH2n-2. Their triple bond consists of one sigma bond and two pi bonds, which make them more reactive than alkanes and alkenes. Quiz questions on alkynes typically cover topics such as their nomenclature, physical properties (like boiling points and solubility), chemical reactions (e.g., addition reactions with halogens and hydrogenation), and synthesis methods.

Practicing MCQs on alkynes helps students reinforce their understanding of these compounds’ unique characteristics and their role in organic synthesis and industry. It also aids in mastering the mechanisms of alkyne reactions, such as tautomerism and the formation of functional groups.

Alkynes Online Quiz

By presenting 3 options to choose from, Alkynes 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 Alkynes Questions and Answers and click over the correct answer.

  • Test Name: Alkynes 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.

Alkynes MCQs

Alkynes Quiz

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1 / 40

How many hydrogen atoms are present in heptyne?

2 / 40

Which of the following is an example of an alkyne with three carbon atoms?

3 / 40

What is the molecular formula of ethyne?

4 / 40

How many hydrogen atoms are present in pentyne?

5 / 40

How many hydrogen atoms are present in butyne?

6 / 40

What is the general formula of alkynes?

7 / 40

Which of the following is an example of an alkyne with ten carbon atoms?

8 / 40

How many hydrogen atoms are present in hexyne?

9 / 40

What is the molecular formula of propyne?

10 / 40

What is the IUPAC name of C4H6?

11 / 40

What is the molecular formula of butyne?

12 / 40

Which of the following is an example of an alkyne?

13 / 40

What is the IUPAC name of C5H8?

14 / 40

What is the IUPAC name of C11H16?

15 / 40

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

16 / 40

What is the molecular formula of decyne?

17 / 40

Which of the following is an example of an alkyne with five carbon atoms?

18 / 40

What is the molecular formula of hexyne?

19 / 40

What is the molecular formula of pentyne?

20 / 40

What is the IUPAC name of C3H4?

21 / 40

How many carbon atoms are present in ethyne?

22 / 40

Which of the following is an example of an alkyne with eight carbon atoms?

23 / 40

Which of the following is an example of an alkyne with six carbon atoms?

24 / 40

What is the molecular formula of nonyne?

25 / 40

What is the molecular formula of heptyne?

26 / 40

How many hydrogen atoms are present in propyne?

27 / 40

What is the IUPAC name of C8H10?

28 / 40

Which of the following is an example of an alkyne with nine carbon atoms?

29 / 40

How many hydrogen atoms are present in undecyne?

30 / 40

What is the IUPAC name of C7H10?

31 / 40

Which of the following is an example of an alkyne with seven carbon atoms?

32 / 40

How many hydrogen atoms are present in nonyne?

33 / 40

What is the IUPAC name of C2H2?

34 / 40

What is the IUPAC name of C6H8?

35 / 40

How many hydrogen atoms are present in octyne?

36 / 40

What is the molecular formula of octyne?

37 / 40

How many hydrogen atoms are present in decyne?

38 / 40

What is the IUPAC name of C10H14?

39 / 40

Which of the following is an example of an alkyne with four carbon atoms?

40 / 40

What is the IUPAC name of C9H12?

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Alkynes Flashcards

What is the general formula of alkynes?

CnH2n-2

Which of the following is an example of an alkyne?

Ethyne

What is the IUPAC name of C2H2?

Ethyne

How many carbon atoms are present in ethyne?

2

What is the molecular formula of ethyne?

C2H2

What is the IUPAC name of C3H4?

Propyne

How many hydrogen atoms are present in propyne?

4

Which of the following is an example of an alkyne with three carbon atoms?

Propyne

What is the molecular formula of propyne?

C3H4

What is the IUPAC name of C4H6?

Butyne

How many hydrogen atoms are present in butyne?

6

Which of the following is an example of an alkyne with four carbon atoms?

Butyne

What is the molecular formula of butyne?

C4H6

What is the IUPAC name of C5H8?

Pentyne

How many hydrogen atoms are present in pentyne?

8

Which of the following is an example of an alkyne with five carbon atoms?

Pentyne

What is the molecular formula of pentyne?

C5H8

What is the IUPAC name of C6H8?

Hexyne

How many hydrogen atoms are present in hexyne?

10

Which of the following is an example of an alkyne with six carbon atoms?

Hexyne

What is the molecular formula of hexyne?

C6H10

What is the IUPAC name of C7H10?

Heptyne

How many hydrogen atoms are present in heptyne?

12

Which of the following is an example of an alkyne with seven carbon atoms?

Heptyne

What is the molecular formula of heptyne?

C7H10

What is the IUPAC name of C8H10?

Octyne

How many hydrogen atoms are present in octyne?

14

Which of the following is an example of an alkyne with eight carbon atoms?

Octyne

What is the molecular formula of octyne?

C8H12

What is the IUPAC name of C9H12?

Nonyne

How many hydrogen atoms are present in nonyne?

14

Which of the following is an example of an alkyne with nine carbon atoms?

Nonyne

What is the molecular formula of nonyne?

C9H18

What is the IUPAC name of C10H14?

Decyne

How many hydrogen atoms are present in decyne?

18

Which of the following is an example of an alkyne with ten carbon atoms?

Decyne

What is the molecular formula of decyne?

C10H18

What is the IUPAC name of C11H16?

Undecyne

How many hydrogen atoms are present in undecyne?

20

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

Low boiling points

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