Correct Answer: Option D

Explanation

SO\(_2\)(Sulphur dioxide) can react further with oxygen to form SO\(_3\) (Sulphur trioxide) a higher oxide.

              2SO\(_2\) + O\(_2\) → 2SO\(_3\)

NO (Nitric oxide) can also react further with oxygen to form NO\(_2\)( Nitrogen dioxide), a higher oxide.

              2NO + O\(_2\) → 2NO\(_2\)

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