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

Question 1 of 20

Question 2 of 20

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

Question 2 of 20

Question 3 of 20

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

Question 3 of 20

Question 4 of 20

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

Question 4 of 20

Question 5 of 20

5. During nitration of benzene, the active nitrating agent 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. Aromatic hydrocarbons are the derivatives of?
1.
2.
3.
4.

Question 7 of 20

Question 8 of 20

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

Question 8 of 20

Question 9 of 20

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

Question 9 of 20

Question 10 of 20

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

Question 10 of 20

Question 11 of 20

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

Question 11 of 20

Question 12 of 20

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

Question 12 of 20

Question 13 of 20

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

Question 13 of 20

Question 14 of 20

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

Question 14 of 20

Question 15 of 20

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

Question 15 of 20

Question 16 of 20

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

Question 16 of 20

Question 17 of 20

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

Question 17 of 20

Question 18 of 20

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

Question 18 of 20

Question 19 of 20

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

Question 19 of 20

Question 20 of 20

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

Question 20 of 20


 

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