MCQ
The $IUPAC$ name of (Figure) is


- AEthane dioicanhydride
- ✓Butane dioicanhydride
- CButanoic anhydride
- DEthanoic anhydride

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$2 Fe ^{2+}+ H _{2} O _{2} \rightarrow x A + y B$
(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............
