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NEET levelSingle correct optionDifficulty 1 of 3pb114

Which of the following oxides is neutral?

A $CO X_{2}$
B $SiO X_{2}$
C $CO$
D $PbO X_{2}$

Answer: C

CO is neutral.

CO X_{2}

and

SiO X_{2}

are acidic and

PbO X_{2}

is amphoteric.

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