When the following skeletal equation is balanced under basic conditions, what are the coefficients of the species shown?Sno,2- -|Cl-crSnozWater appears in the balanced equation as a(reactant, product, neither) with a coefficient of(Enter 0 for neither.)Which species is the reducing agent?

The balanced reduction half reaction – Cl2 + 2e- →2Cl-.....(1)

Answered: When the following skeletal equation is…

General Chemistry - Standalone book (MindTap Course List)

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ISBN:9781305580343

Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Chapter19: Electrochemistry

Section: Chapter Questions

Problem 19.19QP

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Question

When the following skeletal equation is balanced under basic conditions, what are the coefficients of the species shown?
Sno,2- -|
Cl-
cr
Snoz
Water appears in the balanced equation as a
(reactant, product, neither) with a coefficient of
(Enter 0 for neither.)
Which species is the reducing agent?

Expert Solution

Step 1

The balanced reduction half reaction –

${Cl}_{2} + 2 e^{-} \to 2 {Cl}^{-} . . . . . (1)$

Step 2

Oxidation state of Sn in SnO₂^2- is +2 and in SnO₃^2- is +4.

The balanced oxidation half reaction –

$\begin{array}{rcl} electron balanced - Sn {O_{2}}^{2 -} & \to & Sn {O_{3}}^{2 -} + 2 e^{-} \\ Oxygen balanced - Sn {O_{2}}^{2 -} + H_{2} O & \to & Sn {O_{3}}^{2 -} + 2 e^{-} \\ Hydrogen balanced - {SnO}_{2}^{2 -} + H_{2} O & \to & {SnO}_{3}^{2 -} + 2 e^{-} + 2 H^{+} \\ balanced in basic condition - Sn {O_{2}}^{2 -} + H_{2} O + 2 {OH}^{-} & \to & Sn {O_{3}}^{2 -} + 2 e^{-} + 2 H^{+} + 2 {OH}^{-} \\ Final balanced equation - Sn {O_{2}}^{2 -} + 2 {OH}^{-} & \to & Sn {O_{3}}^{2 -} + 2 e^{-} + H_{2} O . . . . . . (2) \end{array}$

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When the following skeletal equation is balanced under basic conditions, what are the coefficients of the species shown? Sno,-( Cl- cr+ ]Sno, Water appears in the balanced equation as a |(reactant, product, neither) with a coefficient of[ (Enter 0 for neither.) Which species is the reducing agent?