The reaction [Fe(CNS)6]^(3-)rarr[FeF6]^(...

The reaction `[Fe(CNS)_6]^(3-)rarr[FeF_6]^(3-)` takes place with:

A

(a) decrease in magnetic moment

B

(b) increase in coordination number

C

(c) decrease in coordination number

D

(d) increase in magnetic moment

Text Solution

Verified by Experts

The correct Answer is:

D

`[Fe(CNS)_6]^(3-)` is inner-orbital complex with one electron unpaired while `[FeF_6]^(3-)` is outer-orbital complex with five unpaired electrons.

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Similar Questions

Explore conceptually related problems

Hydrogen peroxide oxidises [Fe(CN)_6]^(4-) to [Fe(CN)_6]^(3-) in acidic medium but reduces [Fe(CN)_6]^(3-) to [Fe(CN)_6]^(4-) in alkaline medium . The other products formed are , respectively :

The complex ions [Fe(CN)_(6)]^(3-) and [Fe(CN)_(6)]^(4-) :

Knowledge Check

The reaction [Fe(CN)_(6)]^(3-) rarr [FeF_(6)]^(3-) takes place with

A

Decrease in magnetic moment

B

Increase in magnetic moment

C

Decrease in coordination number

D

Increase in coordination number.

What is true for [Fe(CN)_(6)]^(3-) and [FeF_(6)]^(3-)

A

Both are paramagnetic

B

Only `[Fe(CN)_(6)]^(3-)` is paramagnetic

C

Only `[FeF_(6)]^(3-)` is paramagnetic

D

Both are diamagnetic

The correct statement about the magnetic properties of [Fe(CN)_(6)]^(3-) and [FeF_(6)]^(3-) is : (Z=26)

A

both the paramagnetic

B

both are diamagnetic

C

`[Fe(CN)_(6)]^(3-)` is diamagnetic, `[FeF_(6)]^(3-)` is paramagnetic

D

`[Fe(CN)_(6)]^(3-)` is paramagnetic, `[FeF_(6)]^(3-)` is diamagnetic

Similar Questions

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The correct statement about the magnetic properties of [Fe(CN)_(6)]^(3-) and [FeF_(6)]^(3-) is :(Z-26) .

The EAN of iron in [Fe(CN)_(6)]^(3-) is

Which of the following is TRUE for [Fe(CN)_(6)]^(3-) and [FeF_(6)]^(3-) ?

The expected spin only magnetic mometum for [Fe(CN)_(6)]^(4-) and [FeF_(6)]^(3+) are

The name of complex ion, [Fe(CN)_6]^(3-) is

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