In order to oxidise a mixture of 1 mole each of $\mathrm{FeC}_2 \mathrm{O}_4, \mathrm{Fe}_2\left(\mathrm{C}_2 \mathrm{O}_4\right)_3, \mathrm{FeSO}_4$ and $\mathrm{Fe}_2\left(\mathrm{SO}_4\right)_3$ in acidic medium, the number of moles of $\mathrm{KMnO}_4$ required is
Select the correct option:
A
3
B
2
C
5
D
7
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
meq of $\mathrm{KMnO}_4=$ meq of $\mathrm{FeC}_2 \mathrm{O}_4+$ meq of $\mathrm{Fe}_2\left(\mathrm{C}_2 \mathrm{O}_4\right)_3+$ meq of $\mathrm{FeSO}_4$
$\mathrm{n}_{\mathrm{KMnO}_4} \times 5=1 \times 3+1 \times 6+1 \times 1$
$\mathrm{n}_{\mathrm{KMnO}_4}=\frac{10}{5}=2$
Hello 👋 Welcome to Competishun – India’s most trusted platform for JEE & NEET preparation. Need help with JEE / NEET courses, fees, batches, test series or free study material? Chat with us now 👇
