The correct statements among I to III regarding group 13 element oxides are:

(I) Boron trioxide is acidic.

(II) Oxides of aluminum and gallium are amphoteric.

(III) Oxides of indium and thallium ar

Question

The correct statements among I to III regarding group 13 element oxides are:

(I) Boron trioxide is acidic.

(II) Oxides of aluminum and gallium are amphoteric.

(III) Oxides of indium and thallium are basic.

Canvas Classes · Accepted Answer

Nature of Group 13 oxides:

| Element | Oxide | Nature |
|---|---|---|
| B |  | Acidic ✓ |
| Al |  | Amphoteric ✓ |
| Ga |  | Amphoteric ✓ |
| In |  | Basic ✓ |
| Tl |  | Basic ✓ |

The acidic character decreases and basic character increases down the group.

All three statements are correct.

Answer: Option (3) — (I), (II) and (III)

More questions from P Block (Class 11)