Which of the following set contains only amphoteric oxides?

Z n O, P b O, S n O, A l_{2} O_{3}

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Z n O, B a O, S O_{2}, C O

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C O, P b O, B a O_{2}, S O_{2}

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P_{2} O_{5}, N_{2} O_{5}, C I_{2} O_{7}, B a O

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Solution

The correct option is A $Z n O, P b O, S n O, A l_{2} O_{3}$
An amphoteric solution is a substance that can chemically react with either acid or base. For example, when $H S O_{4}^{-}$ reacts with water it will make both hydroxide and hydronium ions. Amphoteric oxides are metallic oxides, which show both basic as well as acidic properties. When they react with an acid, they produce salt and water, showing basic properties. While reacting with alkalies they form salt and water showing acidic properties. A common example of an amphoteric oxide is aluminium oxide, Zinc Oxide, SnO, PbO.

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Similar questions

(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:
$M g O, Z n O, P_{2} O_{3}, A l_{2} O_{3}, N O_{2}$

Q. In the given oxides how many oxides are amphoteric?

C O, C O_{2}, N a_{2} O, P b O_{2}, P b O, S n O, G e O_{2}, G e O

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. How many of the given oxides show acidic property?

N a_{2} O, K_{2} O, S O_{2}, S O_{3}, C O_{2}, Z n O, A l_{2} O_{3}

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}

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