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

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

(I) Boron trioxide is acidic.

(II) Oxides of aluminium and gallium are amphoteric.

(III)Oxides of indium and thallium are basic.

  1. (I) and (II) only

  2. (I), (II) and (III)

  3. (I) and (III) only

  4. (II) and (III) only


Correct Option:

Solution:

(I) $\mathrm{B}_{2} \mathrm{O}_{3}$-Acidic oxide

(II) $\mathrm{Al}_{2} \mathrm{O}_{3} \& \mathrm{Ga}_{2} \mathrm{O}_{3}-$ Amphoteric oxide

(III) $\mathrm{In}_{2} \mathrm{O}_{3} \& \mathrm{Tl}_{2} \mathrm{O}$ – Basic oxide

Administrator

Leave a comment

Please enter comment.
Please enter your name.