JEE Mains · Chemistry · STD 11 - 7. Redox reactions
The pair of compounds having metals in their highest oxidation state is
- A \(MnO_4 ^-\) and \(CrO_2Cl_2\)
- B \([NiCl_4]^{2-}\) and \([CoCl_4]^{2-}\)
- C \([Fe(CN)_6]^{3-}\) and \([Cu(CN)_2]^{2-}\)
- D \([FeCl_4]^-\) and \(Co_2O_3\)
Answer & Solution
Correct Answer
(A) \(MnO_4 ^-\) and \(CrO_2Cl_2\)
Step-by-step Solution
Detailed explanation
\((1)\,Cr\mathop {{O_2}}\limits^{2 - } \mathop {C{l_2}}\limits^{ - 1} \,\,Cr = + 6;\,Mn\mathop {{O_2}}\limits^{2 - } \,\,Mn = + 4\) (Highest oxidation state)…
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