MCQ
In which of the following structures, the anion has maximum coordination number ?
- A$NaCl$
- B$ZnS$
- C$CaF_2$
- ✓$Na_2O$
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$\operatorname{P}t|{{H}_{{{2}_{\left( 2\,atm \right)}}}}|H_{\left( 0.02\,M \right)}^{\oplus }||H_{\left( 0.1\,M \right)}^{\oplus }|{{H}_{{{2}_{\left( 1\,atm \right)}}}}|Pt$
$2H^+ + 2e^- + \frac{1}{2}O_2\longrightarrow H_2O_{(l)} ; $
$E^o = +1.23\, V$
$Fe^{2+} + 2e^- \longrightarrow Fe_{(s)} ;\ E^o = -0.44\,V$