MCQ
Which of the following is displaced by $Fe$
- A$Ag$
- B$Hg$
- C$Zn$
- ✓Both $(a) $ and $(b)$
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$4NH_3 + 5O_2 \to 4NO + 6H_2O$
Note : $A$ and $B$ are unidentate neutral and unidentate monoanionic ligands, respectively
($A$) tetranuclear $\left[\mathrm{B}_4 \mathrm{O}_5(\mathrm{OH})_4\right]^{2-}$ unit
($B$) all boron atoms in the same plane
($C$) equal number of $s p^2$ and $s p^3$ hybridized boron atoms
($D$) one terminal hydroxide per boron atom