Question
What is the nature of Al _2 O _3?
MHT CET
Chemistry
p Block Elements (Group 13 & 14)
2026
MHT CET 2026 (13 April Shift 2)
MHT CET Chemistry Question (2026) — Solution
Options
- A. Acidic
- B. Basic
- C. Amphoteric
- D. Neutral
Answer
C. Amphoteric
Step-by-step solution
Aluminium oxide ( Al _2 O _3) is an amphoteric oxide because it reacts with both acids and bases to form salt and water. Reaction with acid: Al _2 O _3 + 6 HCl 2 AlCl _3 + 3 H _2 O Reaction with base: Al _2 O _3 + 2 NaOH + 3 H _2 O 2 Na [ Al ( OH )_4] Thus, it is amphoteric in nature. Answer: Amphoteric
Related: Chemistry — p Block Elements (Group 13 & 14) · All PYQ Banks