Balance the half equation for this reaction to work out how many moles of electrons are needed to reduce one mole of nitrobenzene C6H5NO2+..........e- + ..........H+ = C6H5NH2+ .......H20?
1 Answer
You need six moles of electrons to reduce one mole of nitrobenzene.
Explanation:
You can find the general technique for balancing redox equations in acid solution here.
Step 1: Write the skeleton half-reaction.
Step 2: Balance all atoms other than
Done.
Step 3: Balance
Step 4: Balance
Step 5: Balance charge.
Step 6: Check mass balance.
Step 9: Check charge balance.
∴ The balanced half-reaction is
The reduction half-reaction involves six moles of electrons.