textbook exercises

Author:Tamil Nadu Board

Tamil Nadu Board Science Solutions for Exercise - textbook exercises

Simple step-by-step solutions to textbook exercises questions of Chemical Bonding from Science Standard 9. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from textbook exercises with Hints & Solutions

HARD
9th Tamil Nadu Board
IMPORTANT

Draw the electron distribution diagram for the formation of Carbon dioxide (CO2) molecule.

HARD
9th Tamil Nadu Board
IMPORTANT

Fill in the following table according to the type of bonds formed in the given molecule. 

CaCl2 , H2O, CaO, CO, KBr, HCl, CCl4 , HF, CO2, Al2Cl6

Ionic bond Covalent bond Coordinate covalent bond
     
     
     

MEDIUM
9th Tamil Nadu Board
IMPORTANT

Identify the incorrect statement and correct them.

Loss of electrons is called Oxidation and gain of electron is called Reduction.

MEDIUM
9th Tamil Nadu Board
IMPORTANT

Identify the incorrect statement and correct them.

The electrons which are not involved in bonding are called valence electrons.

HARD
9th Tamil Nadu Board
IMPORTANT

Discuss in brief about the properties of coordinate covalent compounds.

MEDIUM
9th Tamil Nadu Board
IMPORTANT

Find the oxidation number of the element in the following compound.

C in CO2.

MEDIUM
9th Tamil Nadu Board
IMPORTANT

Find the oxidation number of the element in the following compound.

Mn in MnSO4.

MEDIUM
9th Tamil Nadu Board
IMPORTANT

Find the oxidation number of the element in the following compound.

N in HNO3.