A) \[[Cu{{(N{{H}_{3}})}_{4}}]S{{O}_{4}}\]and\[{{K}_{3}}[Fe{{(CN)}_{6}}]\]
B) \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]and\[[Cr{{(N{{H}_{3}})}_{6}}]Cl\]
C) \[{{K}_{3}}[Cr{{({{C}_{2}}{{O}_{4}})}_{3}}]\]and\[[Cr{{(N{{H}_{3}})}_{6}}]Cl{{(N{{O}_{2}})}_{2}}\]
D) All of the above
Correct Answer: D
Solution :
| EAN of Cu in \[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\]\[=29-2(O.N)+4\times 2=35\] |
| EAN of Fe in \[{{[Fe{{(CN)}_{6}}]}^{3-}}=26-3(O.N)+\]\[6\times 2=35\] |
| ENA of Fe in \[{{[Fe{{(CN)}_{6}}]}^{4-}}=26-2(O.N)+6\times 2=36\] |
| ENA of Co in \[{{[Co{{(C{{N}_{3}})}_{6}}]}^{3+}}=27-3(O.N.)+6\times 2=36\] |
| ENA of Cr in \[{{[Cr{{({{C}_{2}}{{O}_{4}})}_{3}}]}^{3-}}=24-3(O.N.)+3\times 4=33\] |
| ENA of Cr in \[{{[Cr{{[N{{H}_{3}}]}_{6}}]}^{3+}}=24-3(O.N)+6\times 2=33\] |
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