MCQ
How many stereoisomers possible for


- A$2$
- B$3$
- ✓$4$
- D$5$

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$n$ $l$ $m$ $s$
(I) Toluene
(II) $m - $dichlorobenzene
(III) $o - $dichlorobenzene
(IV)$p - $dichlorobenzene
$2 Fe ^{2+}+ H _{2} O _{2} \rightarrow x A + y B$
(in basic medium)
$2 MnO _{4}^{-}+6 H ^{+}+5 H _{2} O _{2} \rightarrow x ^{\prime} C + y ^{\prime} D + z ^{\prime} E$
(in acidic medium)
The sum of the stoichiometric coefficients $x , y , x ^{\prime}, y ^{\prime}$ and $z ^{\prime}$ for products $A , B , C , D$ and $E ,$ respectively, is............