Chemistry of Hydrocarbons Online Mcqs Test

Mustansar KhanLast Updated: October 14, 2025

Important Chemistry Transition Elements Question and Answer

Total Questions: 49
Time Allowed: 30 Minutes
Total Marks: 49
How to Attempt Test: Please choose the right Option in MCQ-type question.
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Chemistry Transition Elements Practice Test Online With Explanation

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1. What is the outcome when benzene reacts with CH₃Cl in the presence of AlCl₃?

2. What is the molecular formula of benzene?

3. Which of the following is an example of an electrophilic substitution reaction?

4. Which of the following reactions is characteristic of benzene?

5. What is the role of FeCl₃ in benzene chlorination?

6. What is the result of sulfonation of benzene?

7. The resonance structure of benzene was proposed by:

8. What is the IUPAC name of CH≡C–CH₃?

9. What is the shape of the benzene molecule?

10. Which functional group is present in alkenes?

11. How many sigma bonds are there in benzene?

12. Which of the following is a closed-chain hydrocarbon?

13. How many π electrons are present in benzene?

14. How many π bonds are there in benzene?

15. What is the product when benzene is treated with conc. HNO₃ and conc. H₂SO₄?

16. Which of the following describes the MO model of benzene?

17. The stability of benzene is explained by:

18. Which of the following is a positional isomer of but-1-ene?

19. Which reaction is typical of alkenes?

20. Which compound is used as a test for unsaturation?

21. Which condition favors the halogenation of benzene?

22. Which hydrocarbon burns with a sooty flame?

23. The reaction of benzene with Cl₂ in the presence of FeCl₃ is called:

24. What is the general formula of alkanes?

25. What is the IUPAC name of CH₃–CH₂–CH₃?


 

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Mustansar KhanLast Updated: October 14, 2025

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