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Rasek [7]
3 years ago
9

When the following redox equation is balanced with smallest whole number coefficients, the coefficient for Sn(OH)3– will be ____

_. Bi(OH)3(s) + Sn(OH)3–(aq) → Sn(OH)62–(aq) + Bi(s) (basic solution)
Chemistry
1 answer:
Gnom [1K]3 years ago
5 0

Answer:

The coefficient of Sn(OH)_3^{-} is 3 in the balanced redox reaction.

Explanation:

Oxidation reaction is defined as the chemical reaction in which an atom loses its electrons. The oxidation number of the atom gets increased during this reaction.

X\rightarrow X^{n+}+ne^-

Reduction reaction is defined as the chemical reaction in which an atom gains electrons. The oxidation number of the atom gets reduced during this reaction.

X^{n+}+ne^-\rightarrow X

For the given chemical reaction:

Bi(OH)_3+Sn(OH)_3^{-}\rightarrow Sn(OH)6^{2-}+Bi

The half cell reactions for the above reaction follows:

Oxidation half reaction:  Sn(OH)_3^{-}+3OH^-\rightarrow Sn(OH)6^{2-}+2e^-

Reduction half reaction:  Bi(OH)_3+3e^-\rightarrow Bi+3OH^-

To balance the oxidation half reaction must be multiplied by 3 and reduction half reaction must be multiplied by 2 thus, the balanced equation is:-

3Sn(OH)_3^{-}+3OH^-+2Bi(OH)_3\rightarrow 3Sn(OH)6^{2-}+2Bi

<u>The coefficient of Sn(OH)_3^{-} is 3 in the balanced redox reaction.</u>

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