Aluminium oxide reacts with potassium hydroxide to form white salt and water. What is the nature of aluminium oxide?

Acidic in nature

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Basic in nature

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Amphoteric in nature

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None of these

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Solution

The correct option is C
Amphoteric in nature

Aluminium oxide reacts with potassium hydroxide to give potassium meta aluminate and water. Aluminium oxide reacts with both acids and concentrated alkalis forming salt and water. So, it is amphoteric in nature.

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Similar questions

The salt formed when aluminium oxide reacts with potassium hydroxide is:

S_{1}

(B_{2} O_{3})

(S i O_{2})

S_{2}

(A l_{2} O_{3})

(G a_{2} O_{3})

S_{3}

(l n_{2} O_{3})

(T l_{2} O_{3})

S_{4}

(G e O_{2})

(S n O_{2})

Write reactions to justify amphoteric nature of aluminium.

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