Question

2015
(a) Choose the most appropriate answer from the following
list of oxides which fit the description. Each answer may
be used only once :
[SO , SiO2, Al2O3, MgO, CO, Na O]​

Answer 1

Answer:

Answer

(i) MgO is a basic oxide. Basic oxide dissolves in water forming an alkaline solution.

MgO+H

2

O→Mg(OH)

2

(ii) SO

2

is an acidic oxide which dissolves in water to form H

2

SO

3

acid.

SO

2

+H

2

O→H

2

SO

3

(iii) Al 2

O 3

is an amphoteric oxide as it reacts as both acid and base.

(iv) CO is a covalent oxide formed by the sharing of electrons between C and O.

Explanation:

I hope it will help you

Answer 2

Answer:

above is a correct answer....