English Medium कक्षा १० - CBSE Question Bank Solutions

Give two general properties of ionic compounds and two those of covalent compounds.

State one test by which sodium chloride can be distinguished from sugar.

Explain why, ionic compounds conduct electricity in solution whereas covalent compounds do not conduct electricity.

Friedrich Wohler converted an inorganic compound into an organic compound in the laboratory.

Write the name and formula of organic compound formed.

will CCl₄ conduct electricity or not?

give reason for your choice.

will  CS₂ conduct electricity or not?

give reason for your choice.

Name one  covalent compound containing chlorine.

 How will you find out which of the water soluble compound A or B is ionic?

Give the formula of the compound that would be formed by the combination of the following pair of elements:

 Al and Cl₂

Give the formula of the compound that would be formed by the combination of the following pair of elements:

K and H

Draw the electron-dot structure of a hydrogen chloride molecule.

Which inert gas does the H atom in HCl resemble in electron arrangement?

Which inert gas does the Cl atom in HCl resemble in electron arrangement?

What type of bonding would you expect between Carbon and Chlorine? 

What type of bonding would you expect between Hydrogen and Chlorine? 

Using electron-dot diagrams which show only the outermost shell electrons, show how a molecule of nitrogen, N₂, is formed from two nitrogen atoms. What name is given to this type of bonding? (Atomic number of nitrogen is 7)

Draw the electron-dot structure of  CO₂  compound and state the type of bonding.

Draw the electron-dot structure of H₂O compound and state the type of bonding.

Draw the electron-dot structure of  HCl  compound and state the type of bonding.