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Which electrolyte is least effective in ...

Which electrolyte is least effective in causing coagulation of +ve ferric hydroxide sol

A

`K_(3)[Fe(CN_(6))]`

B

`K_(2)SO_(4)`

C

`K_(2)CrO_(4)`

D

KBr

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The correct Answer is:
D
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER - 8-CHEMISTRY
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