Which one of the following is an amphoteric oxide?

S O_{2}

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B_{2} O_{3}

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Z n O

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N a_{2} O

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Solution

The correct option is C $Z n O$
An amphoteric compound is a molecule or ion that can react both as an acid as well as a base.
Zinc oxide (ZnO) reacts with both acids and with bases:

In acid: $Z n O + 2 H C l \to Z n C l_{2} + H_{2} O$

In base: $Z n O + 2 N a O H \to N a_{2} Z n O_{2} + H_{2} O$

Option B is correct.

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Similar questions

Q. Which one of the following is an amphoteric oxide?

B_{2} O_{3}, A l_{2} O_{3}

Q. Find the number of amphoteric oxide(s) from the following

N i O, A l_{2} O_{3}, B_{2} O_{3}, P b O_{2}, Z n O, M g O

Q. Classify the following oxides into acidic, basic and amphoteric.

C a O

M g O

C O_{2}

S O_{3}

N a_{2} O

Z n O

A l_{2} O_{3}

F e_{2} O_{3}

Q. Which one of the following cannot form an amphoteric oxide?

(a) What are amphoteric oxides? Give two examples of amphoteric oxides.
(b) Choose the acidic oxides, basic oxides and neutral oxides from the following:
$N a_{2} O : C O_{2}; C O; S O_{2}; M g O; N_{2} O; H_{2} O .$
(c) Which of the following are amphoteric oxides:
$M g O, Z n O, P_{2} O_{3}, A l_{2} O_{3}, N O_{2}$

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Which one of the following is an amphoteric oxide?

The correct option is C ZnOAn amphoteric compound is a molecule or ion that can react both as an acid as well as a base.Zinc oxide (ZnO) reacts with both acids and with bases:In acid: ZnO+2HCl→ZnCl2+H2OIn base: ZnO+2NaOH→Na2ZnO2+H2OOption B is correct.