Which of the following pairs of substances will react further with oxygen to form a higher oxide?

  • A CO\(_2\) and H\(_2\)O
  • B NO and H\(_2\)O
  • C CO and CO\(_2\)
  • D SO\(_2\) and NO
jamb 2018chemistry

The correct answer is D. SO\(_2\) and NO

Sulfur dioxide (SO\(_2\)) can react with oxygen to form sulfur trioxide (SO\(_3\)), and nitric oxide (NO) can react with oxygen to form nitrogen dioxide (NO\(_2\)).

The other substances listed are already in their highest common oxide forms and will not react further with oxygen under normal conditions.

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