Question

Fill in the blanks: 

1. An atom or a group of atoms which is responsible for chemical characteristics of an organic compound is called ………

2. The general molecular formula of alkynes is ……….. 

3. In IUPAC name, the carbon skeleton of a compound is represented by ………. (root word / prefix / suffix) 

4. (Saturated / Unsaturated) ……….. compounds decolourize bromine water. 

5. Dehydration of ethanol by cone. Sulphuric acid forms ………. (ethene/ ethane) 

6. 100 % pure ethanol is called ……….. 

7. Ethanoic acid turns ………… litmus to ………… 

8. The alkaline hydrolysis of fatty acids is termed as ………… 

9. Biodegradable detergents are made of …… (branched / straight) chain hydrocarbons.

Answer 1

1. Functional group 

2. - C_nH_2n-2 

3. root word 

4. unsaturated 

5. ethene 

6. absolute alcohol 

7. Blue, red 

8. Saponification 

9. straight