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What is the common property of the oxides $CO,NO$ and ${N_2}O?$ $$
A. All are oxides
B. All are basic oxides
C. All are neutral oxides
D. All are amphoteric

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Last updated date: 17th Jul 2024
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Answer
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Hint: Oxides mix with water to form acids are acidic oxides.
Oxides mix with water to form bases are basic oxides.
Oxides which act as both acidic and basic are called amphoteric oxides.
Oxides which are neither acidic nor basic are called neutral oxides.

Complete step by step answer:
Different elements have the ability to combine with oxygen in a specific ratio to form oxide materials. These may be binary oxides, ternary oxides or quaternary oxides etc. depending upon the number of elements present in that oxide material. Based on their chemical nature oxides are divided into following categories.

Acidic oxides
Basic oxides
Neutral oxides
Amphoteric oxides

Acidic oxides: - The oxides which combine with water to produce acids are called acidic oxides. Generally, non-metals of group 14-group 17 elements produce acidic oxides. For example, sulphur oxide combines with water to give sulphurous acid.
\[S{O_2} + {H_2}O \to {H_2}S{O_3}\] \[\]
Basic oxides: - The oxides which combine with water to produce bases are called basic oxides. Generally, metals of group \[1 - group{\text{ }}2\] elements produce basic oxides. For example, magnesium oxide combines with water to give magnesium hydroxide.
\[MgO + {H_2}O \to Mg{(OH)_2}\]
Neutral oxides: - Oxides which are neither acidic nor basic are called neutral oxides. They also can not form salts. For example, carbon monoxide.
Amphoteric oxides: - Oxides which combine with different solvent to behave as both acidic and basic nature are called amphoteric oxides. For example, zinc oxide mixes with hydrochloric acid to form zinc chloride which reveals the basic nature, whereas, zinc oxide mixes with sodium hydroxide to form sodium zincate which reveals the acidic nature. So, zinc oxide is an amphoteric oxide.
\[ZnO + 2HCl \to ZnC{l_2} + {H_2}O\] \[\left( {Basic{\text{ }}property} \right)\]
\[ZnO + 2NaOH \to N{a_2}Zn{O_2} + {H_2}O\] \[\left( {Acidic{\text{ }}property} \right)\]
As, \[CO,NO,{N_2}O\] cannot form acid or base, these are called neutral oxides.

Hence, the correct answer is \[\left( C \right)\].


Note:
examples of acidic oxides- \[S{O_3},S{O_2},C{O_2}\], basic oxides- \[N{a_2}O,CaO,MgO,{K_2}O\], neutral oxides- \[CO,NO,{N_2}O\], amphoteric oxides- \[ZnO,A{l_2}{O_3}\].