Question

Help with Ions!!

Which of the following ions is not an oxyanion? How do you know this?

CO32 , CN , SO42 , NO

Answer 1

The ion which is not an oxyanion is CN

Step-by-step explanation

• Oxyanion are ions with generic formula AxO where A represent a chemical element and O represent an oxygen atom.
• Most element can form an oxyanion meeting the condition of octet rule.
• CN is not an oxyanion because it lack oxygen atom.
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