Assign $A$,$B$,$C$,$D$ from the given type of reaction.
$4FeCr_2O_4 + 8Na_2CO_3 + 7O_2 \longrightarrow 2Fe_2O_3 + 8Na_2CrO_4 + 8CO_2$
$4FeCr_2O_4 + 8Na_2CO_3 + 7O_2 \longrightarrow 2Fe_2O_3 + 8Na_2CrO_4 + 8CO_2$
- Afor disproportionation reaction.
- Bfor comproportionation reaction.
- Cfor either intermolecular redox reaction or displacement reaction.
- Dfor either thermal combination redox reaction or thermal decomposition redox reaction.
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