MEDIUM
11th CBSE
IMPORTANT
Earn 100

Name the elements of group 13 in the increasing order of their atomic numbers and write their electronic configurations.

Important Questions on Some p-Block Elements

MEDIUM
11th CBSE
IMPORTANT

What is the inert pair effect? Discuss the oxidation states of Group 13 elements in the light of the inert pair effect.

 

EASY
11th CBSE
IMPORTANT
Give the structure of anhydrous aluminium chloride and boron trifluoride.
EASY
11th CBSE
IMPORTANT
Boron forms no compound in unipositive state while thallium in unipositive state is quite stable. Explain.
MEDIUM
11th CBSE
IMPORTANT
Discuss stability of oxidation states and tendency to form ionic compound.
HARD
11th CBSE
IMPORTANT
Explain the following giving reason:
The +1 oxidation state gets stabilized progressively from Ga to Tl in group 13.
MEDIUM
11th CBSE
IMPORTANT

Explain the following giving reason:

+1 oxidation state is more stable for thallium than for gallium.

HARD
11th CBSE
IMPORTANT
Explain the following giving reason:
Boron chloride exists as a monomer while in the same group anhydrous aluminium chloride exists as a dimer.