MCQ
When little vanadium is mixed with steel, it becomes
- AMore hard
- BMore tensility
- ✓Both $ (a)$ and $(b)$
- DNo effect
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$(i)\, Cu^{2+} + 2e^- \rightarrow Cu\,,$ $ E^o = 0.337\, V$
$(ii)\, Cu^{2+} + e^- \rightarrow Cu^+\,,$ $ E^o = 0.153\, V$
Electrode potential, $E^o$ for the reaction,
$Cu^+ + e^- \rightarrow Cu\,,$ will be ............ $V$.