Question

there are four common oxoanions of iodine and two common oxoanions of nitrogen. match the name of each ion to its formula. io₄⁻ io₃⁻ io₂⁻ io⁻ no₃⁻ no₂⁻ answer bank periodate ion iodite ion iodate ion nitrite ion hypoiodite ion nitride ion iodide ion nitrate ion

Explanation:

To match the oxoanions with their names, we use the naming rules for oxoanions:

• For iodine oxoanions: The prefixes and suffixes indicate the number of oxygen atoms. "Hypo - " and " - ite" for fewer oxygens, " - ate" for the common form, and "per - " and " - ate" for more oxygens than " - ate".
• $\ce{IO^-}$: hypoiodite ion (least O, hypo - + - ite)
• $\ce{IO_2^-}$: iodite ion (next, - ite)
• $\ce{IO_3^-}$: iodate ion (common, - ate)
• $\ce{IO_4^-}$: periodate ion (most O, per - + - ate)
• For nitrogen oxoanions:
• $\ce{NO_2^-}$: nitrite ion ( - ite, fewer O)
• $\ce{NO_3^-}$: nitrate ion ( - ate, more O)

Answer:

• $\ce{IO_4^-}$: periodate ion
• $\ce{IO_3^-}$: iodate ion
• $\ce{IO_2^-}$: iodite ion
• $\ce{IO^-}$: hypoiodite ion
• $\ce{NO_3^-}$: nitrate ion
• $\ce{NO_2^-}$: nitrite ion