After balancing equation, ( C ₂ O ₄²⁻+ H ⁺+ MnO ₄⁻ CO ₂+ Mn ²⁺+ H ₂ O ) The coefficient of ( CO ₂ ) is

Step-by-step solution

( aligned & a +3 C ₂ O ₄²⁻+b +7 M O ₄⁻+ H ⁺ p +4 CO ₂ +q Mn ²⁺+ H ₂ O & nf (4-3) 2=2(7-2) 1=5 & mole: 5 aligned ) ( a=5, b=2 ) ( ) By POAC, for C-atoms: (2 a=p ) (p=2 a=2 5=10 ) (Here, (n f: n )-factor or valency factor)