MCQ
Which metal is present in brass, bronze and German silver
- A$Zn$
- B$Mg$
- ✓$Cu$
- D$Al$
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( $\rho_{ Ni }$ (density of Nickel) is $10 \,gmL ^{-1}$, Molar mass of Nickel is $60\,gmol ^{-1} F =96500\,C\,mol ^{-1}$ )
$Ag+ I^- \rightarrow AgI +e^-,$ $E^o = 0.152\, V$
$Ag \rightarrow Ag^+ +e^-,$ $E^o =-0.800\, V$
What is the value of log $K_{sp}$ for $AgI$ ? $(2. 303\, RT/F= 0. 059\, V)$