NEETChemistryp Block Elements (Group 13 & 14)
What do amorphous boron and aluminum metal form when heated in air?
Options
- AB 2 O 3 and Al 2 O 3 , respectively
- BB 3 O 4 and AlO 2 , respectively
- CB(OH) 3 and Al(OH) 3 , respectively
- DBCl 3 and AlCl 3 , respectively
Correct answer
A. B 2 O 3 and Al 2 O 3 , respectively
Step-by-step solution
Amorphous boron and aluminium metal on heating in air form B 2 O 3 and Al 2 O 3 , respectively.