MCQ
A filled or half-filled set of $p$ or $d$-orbitals is spherically symmetric. Point out the species which has spherical symmetry
- A$Na$
- B$C$
- ✓$C{l^ - }$
- D$Fe$
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(Nearest integer)
$\left[\right.$ Given $\mathrm{K}_{m}=1 \times 10^{-14}$ and $\left.\mathrm{K}_{\mathrm{b}}=1.8 \times 10^{-5}\right]$
$3MnO_4^{2-} + 2H_2O \rightleftharpoons 2MnO_4^- + MnO_2 + 4OH^-$
The reaction can go to completion by removing $OH^-$ ions by adding