Covalent Bonding

IMPORTANT

Covalent Bonding: Overview

This Topic covers sub-topics such as Covalent Bond, Lewis Dot Structure, Formal Charge, Double Covalent Bond, Triple Covalent Bond, Single Covalent Bond, Expanded Octet, Odd Electron Molecules and, Characteristics of Covalent Compounds

Important Questions on Covalent Bonding

EASY
IMPORTANT

What are the main steps for writing Lewis dot structure?

EASY
IMPORTANT

Draw an electron dot structure of the following molecules.

a. Methane     b. Ethene

c. Methanol    d. Water

EASY
IMPORTANT

Draw the electron dot structures of the following compounds and state the type of bonding in each case:

(i) CO2

(ii) MgO

(iii)  H2O

(iv) MgCl2
 

EASY
IMPORTANT

What would be the electron dot structure of carbon dioxide which has formula CO2?

EASY
IMPORTANT

What is electron dot structure? 

MEDIUM
IMPORTANT

The octet rule does not apply to odd electron molecules.

MEDIUM
IMPORTANT

Octet rule does not valid for 

EASY
IMPORTANT

An example of a compound with a single covalent bond is 

EASY
IMPORTANT

Define a single covalent bond.

MEDIUM
IMPORTANT

Covalent bond is formed when the combining atoms come from the electronegative elements.

EASY
IMPORTANT

_____ Is the theoretical concept, useful in studying the molecules minutely.

MEDIUM
IMPORTANT

Define formal charge, 

HARD
IMPORTANT

What are the properties of covalent compounds and explain?

HARD
IMPORTANT

Describe the formation of covalent bonding in nitrogen molecules.

HARD
IMPORTANT

Why the melting and the boiling points of covalent compounds are generally low?

MEDIUM
IMPORTANT

The melting and the boiling points of covalent compounds are generally low.

HARD
IMPORTANT

What are the characteristics of the covalent compounds?

HARD
IMPORTANT

Which of the following is not an application of formal charge?