MCQ
The anode mud in the electrolytic refining of silver contains
- A$Zn, \,Cu, \,Ag,\, Au$
- B$Zn,\, Ag,\, Au$
- ✓$Au$ only
- D$Cu, \,Ag, \,Au$
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$2B\xrightarrow{k}{B_2}$ [Slow]
${B_2} + A \to D$ [Fast]
The rate law expression, order with respect to $A$, order with respect to $'B'$ and overall order are respectively
$P =\left[ FeF _6\right]^{3-}, Q =\left[ V \left( H _2 O \right)_6\right]^{2+} \text { and } R =\left[ Fe \left( H _2 O \right)_6\right]^{2+} \text {. }$
The correct order of the complex ions, according to their spin-only magnetic moment values (in $B.M.$) is
