Question

Balance the following redox reaction if it occurs in basic solution. What are the coefficients in front of Br₂ and OH in the balanced reaction?

Br₂(l) → BrO₃(aq) + Br(aq)

A. Br₂ = 3, OH = 3

B. Br₂ = 1, OH = 2

C. Br₂ = 2, OH = 5

D. Br₂ = 1, OH = 6

E. Br₂ = 3, OH = 6

Answer 1

A>40 eive it 3 charge was not present reaction is - 3,4 35' OOH x=-1 2x20 Tx+3(-2)=-1| x=0 1 x=+5 oxidation half reaction Reduction half reaction Br Bro- Br - Bri Balance all atoms except oxygen and hydrogen B? -> 2870,-) 37 -> 23317 Balance oxygen's by adding of' lions and Balance hydrogen atoms by adding to molecules: Repeat this upto balanceing of all atoms 87+12 0179 > 21370'+ 614, 0 3 7 -2391 Balance charge by adding electrons 87 + 12017 ~ 28 29 + 640 +Gel / Bl+ 22 -> 238 multiply with suitable integer to equalise number of electrons ox oxs Br +1284 2850 + 64,0 + 100/58% + 10 80 - 10 1351 add both B92 + 12 OH→ 2875'+ 648,0 + icet 589 + 1fe -> 1039 682 + 12 of - eBront 101351+ 640 above equation drurde with '2' 3 B7+ 6 off - Bronn + 5 Bult 340 co-efficient of Br=3 concPricrent of olt =6 Rateplease