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Amongst the following , the most stable ...

Amongst the following , the most stable complex is :
(a) `[Fe(H_(2)O)_(6)]^(3+)` (b) `[Fe(NH_(3))_(6)]^(3+)` (c) `[Fe(C_(2)O_(4))_(3)]^(3-)` (d) `[FeCl_(6)]^(3-)` .

A

`[Fe(H_(2)O)_(6)]^(3+)`

B

`[Fe(NH_(3))_(6)]^(3+)`

C

`[Fe(C_(2)O_(4))_(3)]^(3-)`

D

`[FeCl_(6)]^(3-)`

Text Solution

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The correct Answer is:
C
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Among the following, the most stable complex is (i). [Fe(H_2O)_6]^(3+) (ii). [Fe(NH_3)_6]^(3+) (iii). [Fe(C_2O_4)_3]^(3-) (iv). [FeCl_6]^(3-)

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In the complex [Fe(H_(2)O)_(6)]^(3+) [Fe(CN)_(6)]^(3-) [Fe(C_(2)O_(4))_(3)]^(3-) and [FeCl_(6)]^(3-) , that complex that has highest stability is

Which of the following statements is/are true for the complexes, [Fe(H_(2)O)_(6)]^(2+), [Fe(CN)_(6)]^(4-), [Fe(C_(2)O_(4))_(3)]^(2-)" and "[Fe(CO)_(5)] ?

Amongst the following ions, which one has the highest magnetic moment [Cr(H_(2)O)_(6)]^(3+) [Fe(H_(2)O)_(6)]^(2+) [Zn(H_(2)O)_(6)]^(2+)

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