1. Balance the following chemical reaction in acidic conditions using the lowest

Question

1. Balance the following chemical reaction in acidic conditions using the lowest possible whole number coefficients. Enter coefficients for one and zero. Blanks will be marked incorrect.) FeOH (aq)+Cro2(s)-Fe203(s)+Cr3(a) Submit Answer Incorrect. Tries 1/3 Previous Tries 2. Balance the following chemical reaction in basic conditions using the lowest possible whole number coefficients Enter coefficients for one and zero- blanks will be marked incorrect.,) A9203(s)-MnO2(s) Ago(s)-MnO42-(aq) Balanced Reaction: Ag203(s) + MnO2(s) + H20(1) + OH (aq) + H20(1) +

Explanation / Answer

Ans 1 :

Start by writing the oxidation and reduction half reactions seperately.

Now balance all other atoms except hydrogen and oxygen. Now add water molecules and protons to balance oxygen and hydrogen atoms respectively.

Balance the charges by adding electrons.

Add the two half reactions together and simplify to get the balanced reaction as :

2FeOH+ (aq) + 2CrO2 (s) + 0H2O + 0OH- (aq) + 4H+ (aq) = Fe2O3 (s) + 2Cr3+ (aq) + 3H2O (l) + 0OH- (aq) + 0H+ (aq)

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