Questions: Find the oxidation state of the underlined element. NaNO3 +5 +1 0 -3

Find the oxidation state of the underlined element. NaNO3 +5 +1 0 -3
Transcript text: Find the oxidation state of the underlined element. $\mathrm{NaNO}_{3}$ $+5$ $+1$ 0 $-3$
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Solution

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Solution Steps

Step 1: Identify the Compound and Element

The compound given is sodium nitrate, \(\mathrm{NaNO}_{3}\). We need to find the oxidation state of the nitrogen (N) atom in this compound.

Step 2: Assign Known Oxidation States
  • Sodium (\(\mathrm{Na}\)) is an alkali metal and typically has an oxidation state of \(+1\).
  • Oxygen (\(\mathrm{O}\)) typically has an oxidation state of \(-2\).
Step 3: Set Up the Equation

The compound \(\mathrm{NaNO}_{3}\) is neutral, so the sum of the oxidation states of all atoms must equal zero. Let \(x\) be the oxidation state of nitrogen (N).

The equation based on the oxidation states is: \[ +1 + x + 3(-2) = 0 \]

Step 4: Solve for the Oxidation State of Nitrogen

Simplify and solve the equation: \[ +1 + x - 6 = 0 \] \[ x - 5 = 0 \] \[ x = +5 \]

Final Answer

The oxidation state of nitrogen in \(\mathrm{NaNO}_{3}\) is \(\boxed{+5}\).

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