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For the reaction, 3Zn^(2+)+2K(4)[Fe(CN...

For the reaction,
`3Zn^(2+)+2K_(4)[Fe(CN)_(6)]rarr K_(2)Zn_(3)[Fe(CN)_(6)]_(2)+6K^(+)`, what will be the equivalent weight of `K_(4)[Fe(CN)_(6)]`, if the molecular weight of `K_(4)[Fe(CN)_(6)]` is M ?

A

M

B

`(M)/(2)`

C

`(M)/(3)`

D

`(M)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
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K_(4)[Fe(CN)_(6)] is a

In K_(4)Fe(CN)_(6)

IUPAC name of K_(3)[Fe(CN)_(6)] is

Fe(CN)_(2)darr+KCN to K_(3)Fe(CN)_(6)

Fe(CN)_(2)darr+4KCN to K_(4)[Fe(CN)_(6)]

3KCN+Fe(CN)_(3)darr to K_(3)[Fe(CN)_(6)]

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