The stabilization of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species?
- A$[Fe(CO)_5]$
- B$[Fe(CN)_6]^{-3}$
- C$[Fe(C_2O_4)_3]^{-3}$
- D$[Fe(H_2O)_6]^{+3}$
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Similar Questions
Assertion : $Cu^{2+}$ and $Cd^{2+}$ are separated from each other by first adding $KCN$ solution and then passing $H_2S$ gas.
Reason : $KCN$ reduces $Cu^{2+}$ to $Cu^{+}$ and forms a complex with it.
Reason : $KCN$ reduces $Cu^{2+}$ to $Cu^{+}$ and forms a complex with it.
MediumAIIMS 2013
View SolutionMatch List-$I$ (Molar Conductivity) with List-$II$ (Complex Formula) and select the correct option:
List-$I$ (Conductivity) List-$II$ (Formula) $A. \ 229$ $i. \ [Pt(NH_3)_3Cl_3]Cl$ $B. \ 97$ $ii. \ [Pt(NH_3)_4Cl_2]Cl_2$ $C. \ 404$ $iii. \ [Pt(NH_3)_5Cl]Cl_3$ $D. \ 523$ $iv. \ [Pt(NH_3)_6]Cl_4$
| List-$I$ (Conductivity) | List-$II$ (Formula) |
|---|---|
| $A. \ 229$ | $i. \ [Pt(NH_3)_3Cl_3]Cl$ |
| $B. \ 97$ | $ii. \ [Pt(NH_3)_4Cl_2]Cl_2$ |
| $C. \ 404$ | $iii. \ [Pt(NH_3)_5Cl]Cl_3$ |
| $D. \ 523$ | $iv. \ [Pt(NH_3)_6]Cl_4$ |
The formula of the product formed,when sodium thiosulphate solution is added to silver bromide is
$AgCl$ precipitate dissolves in ammonia due to the formation of
DifficultAIIMS 1991
View SolutionThe molar ionic conductances of the octahedral complexes:
$(I)$ $PtCl_4 \cdot 5NH_3$
$(II)$ $PtCl_4 \cdot 4NH_3$
$(III)$ $PtCl_4 \cdot 3NH_3$
$(IV)$ $PtCl_4 \cdot 2NH_3$
Follow the order $-$
$(I)$ $PtCl_4 \cdot 5NH_3$
$(II)$ $PtCl_4 \cdot 4NH_3$
$(III)$ $PtCl_4 \cdot 3NH_3$
$(IV)$ $PtCl_4 \cdot 2NH_3$
Follow the order $-$
Medium
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