Which of the following is/are not correctly matched?
(i) $G e O_{2} -$ acidic (ii) $P b O_{2} -$ Amphoteric
(iii) $C O$ - Neutral (iv) $S i O_{2} -$ Amphoteric

(i) and (iv)

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(iv) only

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(ii) only

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(iii) only

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Solution

The correct option is B (iv) only
$C O$ is neutral oxide.
$C O_{2}, G e O_{2}$ and $S i O_{2}$ are acidic oxide.
$S n O_{2}, P b O_{2}$ is amphoteric in nature as it can work as acid as well as base.

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