MCQ
Which one will liberate $B{r_2}$ from $KBr$
- A${I_2}$
- B$S{O_2}$
- C$HI$
- ✓$C{l_2}$

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$A$. The chromate ion is square planar.
$B$. Dichromates are generally prepared from chromates.
$C$. The green manganate ion is diamagnetic.
$D$. Dark green coloured $\mathrm{K}_2 \mathrm{MnO}_4$ disproportionates in a neutral or acidic medium to give permanganate.
$E$. With increasing oxidation number of transition metal, ionic character of the oxides decreases.
Choose the correct answer from the options given below: