JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
On complete reaction of \(FeCl _{3}\) with oxalic acid in aqueous solution containing \(KOH\), resulted in the formation of product \(A\). The secondary valency of \(Fe\) in the product \(A\) is ...... .
(Round off to the Nearest Integer).
- A \(1\)
- B \(10\)
- C \(4\)
- D \(6\)
Answer & Solution
Correct Answer
(D) \(6\)
Step-by-step Solution
Detailed explanation
\(Fe ^{3+}+3 K ^{+}+3 C _{2} O _{4}^{2-} \rightarrow K _{3}\left[ Fe \left( C _{2} O _{4}\right)_{3}\right]\) \(\quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad (A)\) Secondary valency of \(Fe\) in \('A'\) is \(6 .\)
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