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2nd Year Chemistry Chapter 7 MCQs

by Muntazir mehndi July 22, 2024 6,715 Views

If you want to start preparing for the 2nd Year Chemistry Chapter 7 MCQs Principles of Organic Chemistry, then this is the place where you will find it. The study of compounds of carbon and hydrogen and their derivatives is called Organic Chemistry. This chapter is about studying the features of organic compounds, the importance of organic chemistry, and the sources of organic compounds. The most important concept in this chapter is the classification of organic compounds. There are some classes in which they are classified are open-chain or acyclic and closed-chain or cyclic compounds. Then there is the hybridization concept of molecules. The final concept is Isomerism. Now let’s have a look at the important MCQs for this chapter.

2nd Year Chemistry Chapter 7 MCQs Principles of Organic Chemistry

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2nd Year Chemistry Chapter7

1 / 20

1. The fractional distillation of petroleum yields only:

A) 20% Gasoline

B) 30% Gasoline

C) 10% Gasoline

D) 15% Gasoline

2 / 20

2. The formula of aniline is:

A) C6H5

B) C6H5-NH2

C) C6H5-NH-C6H5

D) C6H5-NO2

3 / 20

3. The major components of coal gas are:

A) H2 and CH4

B) H2 and CO

C) H2, CH4 and CO

D) Ethane and CO

4 / 20

4. Homologs of alkanes differ from each other by:

A) CH4 group

B) CH3 group

C) CH2 group

D) CH group

5 / 20

5. Which molecule has a tetrahedral shape?

A) None

B) CH3-CH3

C) CH≡CH

D) CH2=CH2

6 / 20

6. The hardest form of coal is:

A) Anthracite

B) Sub-bituminous coal

C) Bituminous

D) Lignite

7 / 20

7. Metamerism is only shown by:

A) Ethers

B) Both a and b

C) Ketones

D) every organic family

8 / 20

8. The Octane number is 100 for:

A) n-Heptane

B) Iso-Octane

C) n-Hexane

D) n-Octane

9 / 20

9. Which one of the following compounds is heterocyclic?

A) Aniline

B) Anthracene

C) Phenol

D) Pyridine

10 / 20

10. Anti-knocking agent is:

A) (C2H5)4Pd

B) (C2H5)3Pb

C) (C2H5)4Pb

D) (C2H5)2Pb

11 / 20

11. The number of chain isomers of Pentane is:

A) Zero

B) One

C) Three

D) Two

12 / 20

12. The Chemical formula of urea is:

A) (NH4)2CO3

B) (NH4)2CO

C) (NH2)4C

D) (NH2)2CO

13 / 20

13. The compound in which two alkyl groups are attached to the carbonyl group is called:

A) Alcohol

B) Aldehyde

C) Ether

D) Ketone

14 / 20

14. The total coal resources of Pakistan estimated by the geological survey are:

A) 184 tonnes

B) 841 billion tonnes

C) 184 million tonnes

D) 184 billion tonnes

15 / 20

15. Which one of the following is an isomer of Dimethyl ether:

A) CHO-CHO

B) (CH3)2 CHOH

C) CH3CH2OH

D) None

16 / 20

16. Carbonyl group is present in:

A) both a and b

B) Aldehyde

C) Alcohols

D) Ketone

17 / 20

17. An example of sp hybridization is:

A) Methane

B) Ethene

C) Ethyne

D) Benzene

18 / 20

18. Father of Organic Chemistry is:

A) Hoffman

B) Faraday

C) Democritus

D) F. Wohler

19 / 20

19. The formula of cyclo propane is:

A) C3H6

B) C3H5

C) C3H8

D) C3H4

20 / 20

20. How many isomers are possible for C₆H₁₄:

A) 4

B) 5

C) 6

D) 7

Your score is

2 Comments

Khadija Malik

June 9, 2023 at 11:09 pm

Great website l like it very much JazakAllah
Reply
Mudassir nawaz

August 2, 2023 at 9:09 pm

Great MashAllah buht help milti hy students ko is sy
Reply

2nd Year Chemistry Chapter 7 MCQs Principles of Organic Chemistry

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