10th-Chemistry-Chemical Bonding

Among the following compounds identify the compound that has all three bonds (ionic, covalent and

     coordinate bond)

•  Ammonia

• Ammonium chloride

• Sodium hydroxide

• Calcium chloride

Ionic bond is present in which of the following species:

• O₂  

• CHCl₃

• NaBr

• CCl₄  

Tags

NGSS.HS-PS1-3

The type of bonding in HCl molecule is:

• Polar covalent bond

• Pure covalent

• Non-polar

• Hydrogen bonding

Formation of a compound through ionic bond ____________ the ionization energy of the metal ion.

• Does not depends on

• Depend on

• Is independent regarding

• May or may not depend on

Tags

NGSS.HS-PS1-3

Why do atoms share electrons in covalent bonds?

•  To increase their atomic numbers                      

•    To attain a noble-gas electron configuration

•    To become more polar                                              

•    To becomes ions and attract each other

Tags

NGSS.HS-PS1-1

Valency of aluminum is:

•  2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Identify the molecule with a single covalent bond.

•  CO₂

• CO

• Cl₂

• N₂

Tags

NGSS.HS-PS1-1

Aluminum has a tendency to lose:

•  2 electron 

•  1 electron

• 4 electron

•  3 electron

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which element forms two different stable chlorides?

•        Calcium  

•  sulphur

• Phosphorus  

• Oxygen   

A gas having double bonds is:

•  Carbon monoxide 

•  Oxygen

•  Carbon dioxide  

•  None of these