MCQ
$15\, mL$ of aqueous solution of $Fe ^{2+}$ in acidic medium completely reacted with $20\, mL$ of $0.03\, M$ aqueous $Cr _{2} O _{7}^{2-}$ The molarity of the $Fe ^{2+}$ solution is ........... $\times 10^{-2} M$ (Round off to the Nearest Integer).
- A$32$
- B$20$
- ✓$24$
- D$42$
