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what is the correct sequence of the decr...

what is the correct sequence of the decreasing coagultion value of the following electrolyte for the coagultion of ferric hydroxide sol ?
`(I) Na_(3) PO_(4) (II)KCl (III) K_(2)SO_(4) (IV)K_(4)[Fe(CN)_(6)]`

A

`IVgtIgt IIIgt II`

B

`IIgtIIIgt Igt IV`

C

` I gt II gt III gt IV `

D

` IV gt III gt II gt I`

Text Solution

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The correct Answer is:
b
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