(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Chemistry

What are the conditions necessary for the formation of covalent molecules?

What is the difference between ionic compounds and polar covalent compounds?

What is the difference between ionic compounds and covalent compounds?

What do you understand by polar covalent compounds?

Methane molecule is non-polar molecule. Explain.

Give the characteristic properties of covalent compounds.

Explain the following:
polar covalent compounds electricity.

For each compound mentioned above give the formulae of ions formed in aqueous solution.

State the type of bonding in the following molecule.
Water

State the type of bonding in the following molecule.
Hydroxyl ion

State the type of bonding in the following molecule.

Methane

State the type of bonding in the following molecule.

Ammonium ion

Define a coordinate bond.

Complete the following:

When the nuclei of two different reacting atoms are of ______ mass, then a bond so formed is called ______ covalent bond. (equal, unequal, polar, non-polar)

Complete the following:

In case of non-polar covalent bond, the covalent bond is formed in the ______ of atoms and shared electrons are ______ distributed. (corner, middle, equally, unequally)

Draw an electron dot diagram for the formation of the following. State the type of bonding present in them.

Hydroxyl ion

Give two example in following case:

Solid covalent compounds

Give two example in following case:
Gaseous polar compounds

Give two example in following case:
Gaseous non polar compounds

Give two example in following case:
Liquid non polar compounds