Question

among the following how many are amphoteric oxides CO.
NO. N2O .CL2O7. AL2O3. and AS2O3

Answer 1

Answer:

ANSWER

Alkali metal oxide is most basic: Na

2

O

Aluminium oxide is amphoteric : Al

2

O

3

Non metallic oxide is acidic: Cl

2

O

I hope it's your helpful

Answer 2

$Al_{2} O_{3}$.  and $As_{2} O_{3}$ are the amphoteric oxides

Amphoteric oxides:

• Oxides that exhibit both basic and acidic behaviors are known as amphoteric oxides.
• Amphoteric oxides have both acidic and basic properties, which allow them to neutralize both acids and bases.
• In water, amorphous oxides dissolve to form alkaline solutions. Hydroxide ions are found in alkaline liquids.

Examples: zinc and aluminium oxides.

Co, No, $N_{2} O$are the neutral gases:

Because neither CO nor N2O exhibit the characteristics of an acid or a base, they are referred to as neutral gases because they do not start chemical reactions on their own.

$Cl_{2} O_{7}$ is acidic oxide.

Final answer

The amphoteric oxides are $Al_{2} O_{3}$ and $As_{2} O_{3}$

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Answer 3

$Al2O3$ and $As2O3$  are amphoteric oxides

Explanation:

Amphoteric oxides are mainly the alkali oxides They are oxides that react with acids as well as react with bases in order to form a salt and are then termed amphoteric oxides.

CO - Carbon monoxide does not react with acids nor reacts with bases. so, carbon monoxide is a neutral oxide.

NO - NO molecule is neutral oxide. because it does not react with acid nor with base hence it is an oxide that does not show properties of acidic and basic oxides.

N2O Nitrous oxide (N2O) are neutral oxides They do not show either basic or acidic properties.

Cl2O7  is an acidic oxide that shows acidity.

Al2O3 - Aluminum oxide is an amphoteric substance. They are a substance that can react with both acids and bases usually to produce salt and water.

As2O3. Arsenic(III) oxide (As2O3) is amphoteric. It dissolves in dilute hydrochloric acid forming arsenic trichloride

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