MEDIUM
11th Odisha Board
IMPORTANT
Earn 100

Why boron trifluoride is called electron deficient compound? Explain.

Important Questions on Group-13 Elements

MEDIUM
11th Odisha Board
IMPORTANT
Why boron halides do not exist as dimers while AlCl3 exists as Al2Cl6?
MEDIUM
11th Odisha Board
IMPORTANT
BCl3 is trigonal planar while AlCl3 is tetrahedral in dimeric state. Explain.
MEDIUM
11th Odisha Board
IMPORTANT
Why BBr3 is a stronger Lewis acid as compared to BF3 though fluorine is more electronegative than bromine?
HARD
11th Odisha Board
IMPORTANT
Write general trends in the properties of group IIIA elements (Boron family). How borax is prepared? Mention one of its uses.
MEDIUM
11th Odisha Board
IMPORTANT
Write note on aluminothermic process.
HARD
11th Odisha Board
IMPORTANT
Discuss the similarities and dissimilarities between boron and aluminium.
EASY
11th Odisha Board
IMPORTANT

Explain the following:

Boron has high melting and boiling point.

MEDIUM
11th Odisha Board
IMPORTANT

Explain the following:

Boron does not form B3+ ion.