MEDIUM
9th Tamil Nadu Board
IMPORTANT
Earn 100

NaCl is insoluble in carbon tetrachloride but soluble in water. Give reason.

Important Questions on Chemical Bonding

MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 13 - Chemical Bonding>textbook exercises>Q ii
Explain Octet rule with an example.
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 13 - Chemical Bonding>textbook exercises>Q ii
Write a note on different types on bonds.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 13 - Chemical Bonding>textbook exercises>Q ii

Correct the wrong statement.

Ionic compounds dissolve in non-polar solvents.

MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 13 - Chemical Bonding>textbook exercises>Q ii

Correct the wrong statement.

Covalent compounds conduct electricity in molten or solution state.

HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 13 - Chemical Bonding>textbook exercises>Q ii

Complete the table give below.

Element Atomic
number		 Electron
distribution		 Valence
electrons		 Lewis dot
structure
Lithium 3      
Boron 5      
Oxygen 8      
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 13 - Chemical Bonding>textbook exercises>Q ii
Draw the electron distribution diagram for the formation of Carbon dioxide (CO2) molecule.
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 13 - Chemical Bonding>textbook exercises>Q ii

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
Science Standard 9>Chapter 13 - Chemical Bonding>textbook exercises>Q ii
The property which is characteristics of an Ionic compound is that: