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Punjab 12th Class Chemistry Chapter 9 Aromatic Hydrocarbons MCQs Test Online

Total Question
20 Questions
Total Marks
40 Marks
Total Time
20 Minuts
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Test Name



Ch. 9 # Aromatic Hydrocarbons

Subject



Chemistry (12th Class)

Test Type



MCQs


Punjab 12th Class Chemistry Chapter 9 Aromatic Hydrocarbons MCQs Test Online

Punjab 12th Class Chemistry Chapter 9 Aromatic Hydrocarbons MCQs Test Online

 

Question 1 of 20

Chemistry

1. Total number of it -electrons in benzene are?
1.
2.
3.
4.

Question 1 of 20

Question 2 of 20

2. Amongst the following, the compound that can be most readily sulphonated is?
1.
2.
3.
4.

Question 2 of 20

Question 3 of 20

3. During nitration of benzene, the active nitrating agent is?
1.
2.
3.
4.

Question 3 of 20

Question 4 of 20

4. Aromatic compounds burn with sooty flame because?
1.
2.
3.
4.

Question 4 of 20

Question 5 of 20

5. The electrophile in aromatic sulphonation is?
1.
2.
3.
4.

Question 5 of 20

Question 6 of 20

6. The benzene molecule contains?
1.
2.
3.
4.

Question 6 of 20

Question 7 of 20

7. Which compound is the most reactive one?
1.
2.
3.
4.

Question 7 of 20

Question 8 of 20

8. Benzene cannot undergo?
1.
2.
3.
4.

Question 8 of 20

Question 9 of 20

9. The structure of Benzene is?
1.
2.
3.
4.

Question 9 of 20

Question 10 of 20

10. Aromatic hydrocarbons are the derivatives of?
1.
2.
3.
4.

Question 10 of 20

Question 11 of 20

11. C - C bond length in Benzene is?
1.
2.
3.
4.

Question 11 of 20

Question 12 of 20

12. The extra-ordinary stability of benzene molecule is due to?
1.
2.
3.
4.

Question 12 of 20

Question 13 of 20

13. Aromatic compound give sooty flame because they?
1.
2.
3.
4.

Question 13 of 20

Question 14 of 20

14. Which of the following acid can be used as a catalyst in Friedel-Crafts reactions?
1.
2.
3.
4.

Question 14 of 20

Question 15 of 20

15. Aromatic hydrocarbons are the derivatives of?
1.
2.
3.
4.

Question 15 of 20

Question 16 of 20

16. Resonance energy of benzene is?
1.
2.
3.
4.

Question 16 of 20

Question 17 of 20

17. How many resonance structures of benzene are known
1.
2.
3.
4.

Question 17 of 20

Question 18 of 20

18. Molecule of benzene contains?
1.
2.
3.
4.

Question 18 of 20

Question 19 of 20

19. In which compound benzene rings are isolated?
1.
2.
3.
4.

Question 19 of 20

Question 20 of 20

20. The conversion of n-hexane into benzene by heating in the presence of Pt is called?
1.
2.
3.
4.

Question 20 of 20


 

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