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The comple [Fe(H(2)O)(6)NO]^(2+) is form...

The comple `[Fe(H_(2)O)_(6)NO]^(2+)` is formed in the brown ring test fro nitrates when freshly prepared `FesO_(4)` solution is added to aqueous solution of `NO_(3)^(-)` ions followed by addition of conc. `H_(2)SO_(4)`. Select correct statement about this complex.

A

colour changes due to charge transfer

B

it has iron in `+1` oxidation state and nitrosyl as `NO^(+)`

C

it has magnetic moment of 3.87 B.M. confirming three unpaired electrons in Fe

D

all are correct statements

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The correct Answer is:
D
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The complex [Fe(H_(2)O)_(5)NO]^(2+) is formed in the brown ring test for nitrates when freshly prepared FeSO_4 solution is added to aqueous solution of NO_3^(-) followed by addition of conc. H_(2)SO_(4) . Select the correct statement about this complex.

Coordination compounds plays many important roles in animals and plants. The are essential in the storage and transport of oxygen as electrons transfer agents as catalysts and in photosynthesis Wide range of application in daily life takes place through formation of complexes Photographic fixing qualitative and quantitative analysis purification of water metallurgical extraction are some specific worth mentioning The complex [Fe(H_(2)O)_(5)NO]^(2+) is formed in the brown ring test for nitrates when freshly prepared FeSO_(4) soultion is added to aqueous solution of NO_(3)^(Θ) followed by addition of conc. H_(2)SO_(4) Select correct statement about this complex (a) Colour change is due to charge transfer (b) It has iron in +1 oxidation state and nitrosyl as NO^(o+) (c ) It has magnetic moment of 3.87BM confirming three unpaired electrons in Fe (a) All the above are correct statements .

The complex [Fe(H_(2)O)_(5)NO]^(2+) is formed in the 'brown ring test' for nitrates. Choose the incorrect statement for the complex.

[Fe(H_(2)O)_(5)NO]^(2+) is a complex formed during the brown ring test for NO_(3)^(-) ion. In this complex.

GRB PUBLICATION-COORDINATION COMPOUNDS-E. Stability, Colour and Magnetic Properties of Complexes
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