MCQ
Which is incorrectly matched ?
- ✓$CsBr_3 \rightleftharpoons Cs^+ + Br^-$
- B$I_4O_9 \rightleftharpoons I^{3+} + (IO_3^-)_3$
- C$AgBrO_3 \rightleftharpoons Ag^+ + BrO_3^-$
- D$I_2O_4 \rightleftharpoons IO_2^- + IO_2^+$
$(C)$ $\theta_3 > \theta_2 > \theta_1$
$(D)$ Total $20$ unshared lone pairs are present
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$\underset{Hexanal}{\mathop{C{{H}_{3\text{ }}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}CH=O}}\,$

$I$ . $Zn +$ conc. $HNO_3$ (hot) $\to Zn(NO_3)_2 + X + H_2O$
$II$. $Zn +$ dil. $HNO_3$ (cold) $\to Zn(NO_3)_2 + Y + H_2O$
Compounds $X$ and $Y$ are respectively