MEDIUM
11th CBSE
IMPORTANT
Earn 100

Explain maximum covalency of boron and aluminium.

Important Questions on Some p-Block Elements

EASY
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q I
How does boron occur?
MEDIUM
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q I
Name the elements of group 13 in the increasing order of their atomic numbers and write their electronic configurations.
MEDIUM
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q I

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

 

MEDIUM
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q I
Boron is trivalent. Explain.
EASY
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q I
Give the structure of anhydrous aluminium chloride and boron trifluoride.
EASY
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q I
Boron forms no compound in unipositive state while thallium in unipositive state is quite stable. Explain.
MEDIUM
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q I
Discuss stability of oxidation states and tendency to form ionic compound.
HARD
11th CBSE
IMPORTANT
Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q I
Explain the following giving reason:
The +1 oxidation state gets stabilized progressively from Ga to Tl in group 13.