Which of the following oxides are amphoteric?

C r O, B e O, S n O_{2}

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C r_{2} O_{3}, S n O, P b O

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N O, C r O, S n O_{2}

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N O, B_{2} O_{3}, P b O,

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Solution

The correct option is B $C r_{2} O_{3}, S n O, P b O$

Amphoteric is a compound or a molecule or ion, which can act as an acid as well as a base.

Here, $C r O$ acts as a base.
$B_{2} O_{3}$ is an acidic oxide and $N O$ is a neutral oxide.
$C r_{2} O_{3}, S n O, P b O a n d S n O_{2}$ is an amphoteric oxide

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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. Which of the following oxides is/are not amphoteric in character?

Q. Which of the following is/are amphoteric oxide?

Q. Which of the following metal oxides are acidic, basic and amphoteric respectively?

Out of the following elements, choose the elements which are capable of forming amphoteric oxides.

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Standard XII Chemistry

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Which of the following oxides are amphoteric?

The correct option is B Cr2O3, SnO, PbO Amphoteric is a compound or a molecule or ion, which can act as an acid as well as a base. Here, CrO acts as a base. B2O3 is an acidic oxide and NO is a neutral oxide. Cr2O3,SnO,PbO andSnO2 is an amphoteric oxide