Punjab 12th Class Chemistry Chapter 8 Aliphatic Hydrocarbons Mcqs Test Online
Questions 20
Total Marks 40
Time 20 Mins
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Punjab 12th Class Chemistry Chapter 8 Aliphatic Hydrocarbons Mcqs Test Online

Start your preparation for Punjab 12th Class Chemistry Chapter 8 Aliphatic Hydrocarbons Mcqs Test Online. This online test contains 20 MCQs and you have 20 Minutes to complete it. The total marks for this test are 40. This test is valid for students of All Punjab Boards (Lahore, Gujranwala, Multan, etc.) following the PCTB Syllabus. Read the questions carefully and select the correct option below to see your result.

Punjab 12th Class Chemistry Chapter 8 Aliphatic Hydrocarbons Mcqs Test Online

 

Question 1 of 20

Chemistry

1. Benzene cannot undergo:
1.
2.
3.
4.

Question 1 of 20

Question 2 of 20

2. The benzene molecule contains:
1.
2.
3.
4.

Question 2 of 20

Question 3 of 20

3. The Sp³ hyrid orbitals are oriented in space at one angle.

1.
2.
3.
4.

Question 3 of 20

Question 4 of 20

4. Ethanol and dimethyl ether are best considered.
1.
2.
3.
4.

Question 4 of 20

Question 5 of 20

5. Shao of benzene molecule is:
1.
2.
3.
4.

Question 5 of 20

Question 6 of 20

6. Alkanes show geo-metrical isomers due to:

1.
2.
3.
4.

Question 6 of 20

Question 7 of 20

7. The molecule of ethane posses which hybridization:

1.
2.
3.
4.

Question 7 of 20

Question 8 of 20

8. Which reaction is used as test for the presence of alkane:
1.
2.
3.
4.

Question 8 of 20

Question 9 of 20

9. In which one of the following compounds the benzene ring is isolated:
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. The isomers of a substance must have:
1.
2.
3.
4.

Question 11 of 20

Question 12 of 20

12. Two compounds have the same composition and also have the same atoms attached to the same atoms, although with different orientations is space. These compounds are:
1.
2.
3.
4.

Question 12 of 20

Question 13 of 20

13. Acidic hydrogen is present:

1.
2.
3.
4.

Question 13 of 20

Question 14 of 20

14. The geometry of acetylene is,
1.
2.
3.
4.

Question 14 of 20

Question 15 of 20

15. The general formula of alkane is
1.
2.
3.
4.

Question 15 of 20

Question 16 of 20

16. The marsh gas is:
1.
2.
3.
4.

Question 16 of 20

Question 17 of 20

17. Sodalime is:
1.
2.
3.
4.

Question 17 of 20

Question 18 of 20

18. The electrophile in aromatic sulphonation is:

1.
2.
3.
4.

Question 18 of 20

Question 19 of 20

19. Catalyst used for friedal craft’s reaction is:
1.
2.
3.
4.

Question 19 of 20

Question 20 of 20

20. A molecule is said to be chiral:
1.
2.
3.
4.

Question 20 of 20


 

Guide for Punjab Board Students

Students of BISE Lahore, Gujranwala, Multan, and other Punjab boards must follow the SLO based pattern.

Top Scoring Tips for Punjab:

  • Textbook Reading: The paper is 100% derived from PCTB books. Do not rely only on keybooks.
  • Objective Paper (20%): Practice these online MCQs repeatedly as they are taken from 5-Year Past Papers.
  • Bubble Sheet: Ensure you know how to fill the OMR sheet correctly.

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