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

Question 1 of 20

Question 2 of 20

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

Question 2 of 20

Question 3 of 20

3. Which of the following acid can be used as a catalyst in Friedel-Crafts reactions?
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. In which compound benzene rings are isolated?
1.
2.
3.
4.

Question 6 of 20

Question 7 of 20

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

Question 7 of 20

Question 8 of 20

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

Question 8 of 20

Question 9 of 20

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

Question 9 of 20

Question 10 of 20

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

Question 10 of 20

Question 11 of 20

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

Question 11 of 20

Question 12 of 20

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

Question 12 of 20

Question 13 of 20

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

Question 13 of 20

Question 14 of 20

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

Question 14 of 20

Question 15 of 20

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

Question 15 of 20

Question 16 of 20

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

Question 16 of 20

Question 17 of 20

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

Question 17 of 20

Question 18 of 20

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

Question 18 of 20

Question 19 of 20

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

Question 19 of 20

Question 20 of 20

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

Question 20 of 20


 

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