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Answer:

Ir(NO2)3

Explanation:

it's Molar Mass is 330.2335 if you need that too

adioabiola

Here, we are required to write the chemical formula for iridium(III) nitride.

  • The chemical formula for iridium(III) nitride is; IrN.

First, we need to define what a nitride is.

  • In chemistry, a nitride is a compound of nitrogen where nitrogen has an oxidation state of −3. The nitride ion, N³−, is so basic that it is never encountered in protic solution as it undergoes protonation immediately.

For Iridium, Iridum is an element with an atomic no. 77, and is symbol, Ir.

  • Iridium has various oxidation states which are as follows;

  • −3, −1, 0, +1, +2, +3, +4, +5, +6, +7, +8, +9

Since, evidently Iridium(III) nitride is neutrally charged.

The chemical formula of Iridium(III) nitride is;

IrN.

By calculating the oxidation state of Ir from the above, we get +3.

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