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Acidic Character, Basic Character and Nature of Oxides

Which of the ...

Question

Which of the following oxides is amphoteric in character

A

CaO

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B

CO₂

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C

SiO₂

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D

SnO₂

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Solution

The correct option is D
SnO₂

CaO is basic; $C O_{2}$ is acidic; $S i O_{2}$ is weakly acidic. $S n O_{2}$ is amphoteric.

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Similar questions

Q. (a) What are amphoteric oxides? Give two examples of amphoteric oxides.
(b) Choose the acidic oxides, basic oxides and neutral oxides from the following:
Na₂O; CO₂; CO; SO₂; MgO; N₂O; H₂O.
(c) Which of the following are amphoteric oxides:
MgO, ZnO, P₂O₃, Al₂O₃, NO₂

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. (a) Classify following oxides as neutral, acidic, basic or amphoteric:

C O, B_{2} O_{3}, S i O_{2}, C O_{2}, A l_{2} O_{3}, P b O_{2}, T l_{2} O_{3}

(b) Write suitable chemical equations to show their nature.

Q. Assertion :SnO is more reactive towards acid than

S n O_{2}

Reason: Both SnO and

S n O_{2}

are amphoteric oxides

Q. Mark the oxide which is amphoteric in character

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Acidic Character, Basic Character and Nature of Oxides

Standard XII Chemistry

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