NEETChemistryp Block Elements (Group 13 & 14)
What does the oxide layer on the surface of aluminum do?
Options
- AEnhances its reactivity
- BProtects it from further attack
- CIncreases its electrical conductivity
- DForms a metallic oxide
Correct answer
B. Protects it from further attack
Step-by-step solution
Aluminium forms a very thin oxide layer on the surface which protects the metal from further attack.