\( \mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right] \) निम्न के परीक्षण के लिए प्रयोग किय... VIDEO
\( \mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right] \) निम्न के परीक्षण के लिए प्रयोग किया जा सकता है
(A) \( \mathrm{Fe}^{3+} \)
(B) \( \mathrm{Zn}^{2+} \)
(C) \( \mathrm{Cd}^{2+} \)
(D) \( \mathrm{Cr}^{3+} \)
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