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Unit#8: Organic Chemistry

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Question 1 of 20 0% read

1. What is the molecular formula of propane?

A C2H6
B C3H8
C C3H6
D C4H10

2. Which hydrocarbon contains a triple bond?

A Alkane
B Alkene
C Alkyne
D Alcohol

3. Which bond is present in alkynes?

A Single bond
B Double bond
C Triple bond
D Hydrogen bond

4. Which compound is an ester?

A CH3COOH
B C2H5OH
C CH3COOCH3
D C3H8

5. Which functional group is present in ethyl ethanoate?

A -OH
B -COOH
C -COO-
D -CHO

6. Which suffix is used for alkynes?

A -ane
B -ene
C -yne
D -ol

7. Which suffix is used for alkanes?

A -ene
B -yne
C -ane
D -ol

8. What is the IUPAC name of CH3COOH?

A Ethanoic acid
B Methanoic acid
C Propanoic acid
D Butanoic acid

9. Which compound has the suffix '-ol'?

A Alkene
B Alcohol
C Carboxylic acid
D Ester

10. What is the general formula of alkenes?

A CnH2n+2
B CnH2n
C CnH2n-2
D CnHn

11. Which functional group is common in all alcohols?

A -COOH
B -OH
C -COO-
D -CHO

12. Which organic compound contains both carbon and hydrogen only?

A Alcohol
B Ester
C Hydrocarbon
D Carboxylic acid

13. Which hydrocarbon has at least one double bond?

A Alkane
B Alkene
C Alkyne
D Cycloalkane

14. Which series shows similar chemical properties?

A Isomers
B Homologous series
C Mixtures
D Allotropes

15. Which homologous series differs by -CH2- unit?

A Inorganic compounds
B Organic compounds
C Ionic compounds
D Metallic compounds

16. Which part of organic compound is responsible for naming?

A Functional group
B Carbon chain length
C Both A and B
D Hydrogen atoms

17. Which compound is saturated hydrocarbon?

A Ethene
B Ethyne
C Ethane
D Propene

18. Which organic compound has pleasant fruity smell?

A Alcohols
B Carboxylic acids
C Esters
D Alkanes

19. Which compound is an alcohol?

A CH3COOH
B C2H5OH
C CH3COOCH3
D C2H4

20. What is the first member of alkene series?

A Ethene
B Methene
C Propene
D Butene

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