MCQ
Hybridisation involves
- AAddition of an electron pair
- ✓Mixing up of atomic orbitals
- CRemoval of an electron pair
- DSeparation of orbitals
They have similar energy.
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The correct statement($s$) about $P, Q, R$, and $S$ is(are)
($A$) Both $P$ and $Q$ have asymmetric carbon($s$).
($B$) Both $Q$ and $R$ have asymmetric carbon($s$).
($C$) Both $P$ and $R$ have asymmetric carbon($s$).
($D$) $P$ has asymmetric carbon(s), $S$ does not have any asymmetric carbon.

$Mn^{2+} +2e- \rightarrow Mn;\, E^o = -1.18\,V$
$2(Mn^{3+} +e^- \rightarrow Mn^{2+} )\,;\,E^o=+1.51\,V$
The $E^o$ for $3Mn^{2+} \rightarrow Mn+ 2Mn^{3+}$ will be :