a
NO
b
CO
c
SO2
d
CuO
Explanation
Correct Option
cNo explanation available
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Discussions (4)

Udechukwu Eluaka
9 years ago
Sulphur(iv)oxide is an acid anhydride;ie an oxide that dissolves in water to form an acid.Carbon(ii)oxide is a neutral oxide,same as Nitrogen(ii)oxide:their dissolutions in water has no chemical reaction.Copper(ii)oxide dissolves in water to give Copper(ii)hydroxide which is an alkaline solution.

RexsmartC
9 years ago
Here is an explanation:
Metallic elements e.g ca,Na and k form basic oxides and non-metallic oxides e.g S,C thus form acidic oxides...this means that Sulfur (iv) oxide and Carbon (iv) are both acidic oxides

