Which of the following oxides is amphoteric in character?

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Which of the following oxides is amphoteric in character?

Options

(a) Co₂
(b) CaO
(c) SiO₂
(d) SnO₂

Correct Answer:

SnO₂

Explanation:

CaO — basic
Co₂ — acidic
SiO₂ — weakly acidic
SnO₂ — amphoteric

Related Questions:

1. Enantiomers
2. An aqueous solution of sodium sulphate is electrolysed using inert electrodes
3. A trend common to both for group I and VII elements in the periodic table
4. For the equilibrium, H₂O(l) ⇌ H₂O(g) at 1 atm and 298 K,
5. SO₂ reacts with Cl in sunlight to form

Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)

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