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Reaction of Metals with Oxygen

The metal whi...

Question

The metal which does not give amphoteric oxide in the solution?

A

Z n

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B

C u

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C

S n

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D

A l

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Solution

The correct option is A $C u$
$Z n O$ is an amphoteric oxide as it asts as both acid and base. Similarly $S n O, {A l}_{2} O_{3}$ are amphoteric oxides. However ${C u}_{2} O$ and $C u O$ both are basic oxides. Thus $C u$ does not give amphoteric oxide.

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Similar questions

Q. Choose the correct answer from the following —
(1) Highly reactive metals mostly occur in carbonates and chloride forms .
(2) Metals like Zn , Al , Pb, Sn are usually form amphoteric oxides
(3) The reaction with which metal react is same for all the metals
(4) Only (1)&(2)
[Please give reason for your answer.]

Q. Question 31
Although metals form basic oxides, which of the following metals form an amphoteric oxide?
a)

Na

Ca

Al

Cu

Q. The metal which does not react with water or dilute

H_{2} S O_{4}

but reacts with concentrated

H_{2} S O_{4}

(A l / C u / Z n / F e)

Acids do not react with metals except Zn, Al, and Sn.

Q. A popular metal X reacts with oxygen gas to give an amphoteric oxide. Identify the metal X. Recall that amphoteric oxide show both acidic and basic behaviour.

X + O_{2} \to Amphoteric Oxide

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