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Corsider -he -able cf reduc-ion potential show, idenzifythe pair cf reaczions narwill make batterywith the greates: [?, Calculare the EO forthe pairyou chose_Reduc...

Question

Corsider -he -able cf reduc-ion potential show, idenzifythe pair cf reaczions narwill make batterywith the greates: [?, Calculare the EO forthe pairyou chose_Reductiou Half Reactious aud Standard Reductiou PoteutialsReactionEx Vvs SHES_Os? = 2 e_ 2 SO4?- HCIO + H- + Y- Clz Ho Rel+ ~ 3 e_ Re (s) SiFo - + 4e- 7 Si (s) + 6 F- 2 HNOz + 4Ht - 4e- Nzo + 3 Ho HCIO H- + 2 e= 4 CL- + Hzo2.101 1.611 0.300 -124 1.297 1.482

Corsider -he -able cf reduc-ion potential show, idenzifythe pair cf reaczions narwill make batterywith the greates: [?, Calculare the EO forthe pairyou chose_ Reductiou Half Reactious aud Standard Reductiou Poteutials Reaction Ex Vvs SHE S_Os? = 2 e_ 2 SO4?- HCIO + H- + Y- Clz Ho Rel+ ~ 3 e_ Re (s) SiFo - + 4e- 7 Si (s) + 6 F- 2 HNOz + 4Ht - 4e- Nzo + 3 Ho HCIO H- + 2 e= 4 CL- + Hzo 2.101 1.611 0.300 -124 1.297 1.482



Answers

Erom the half-reactions below, determine the cell reaction and standard cell potential. $$ \begin{aligned} \mathrm{BrO}_{3}^{-}+6 \mathrm{H}^{+}+6 e^{-} \rightleftharpoons \mathrm{Br}^{-}+3 \mathrm{H}_{2} \mathrm{O} & \\ & E_{\mathrm{BrO}^{-}}^{\circ}=1.44 \mathrm{~V} \\ \mathrm{I}_{2}+2 e^{-} \rightleftharpoons 2 \mathrm{I}^{-} & E_{\mathrm{l}_{2}}^{\circ}=0.54 \mathrm{~V} \end{aligned} $$

Hello, everyone. My name is here. We have totally luxury action saw Drive the balance Each heart We must disappearing them. So instead, Prism, the 1st 1 is seeing negative toe is converted to see is so it will appear Tau electron and in other home when we balance it in the basic medium, we from its is all three negative to blast three water plus 40 leg room. Toe give is to all screening it if to los 60 h negative. So these these the oxidation or another conference action. And this is a reduction or careful recovery action. Then we have a question. Mission stays at the easel. Isco cual toe. You know a No sorry. Careful. Negative stool in on. I'm not so to complete. You know, Alan, we have easily it's equal or 0.35 and Ekeus a physical negative. Open for seven so we can calculate e alone. Which equal? Negative point mine to vote. Thank you.

So here we're looking at self potential, which is the standard self potential is the difference between the standard reduction potentials off the cathode on the an ode to have SL nor equals sl Catherine subtract e so not an ode. So here are you not sell is the standard reduction potential off the cell. So if the calculated value off the reaction comes out to be positive, then the products will be favored if we have a negative values and the reactant are favored. So we look at the first example in detail and then we'll run over the next few examples. So what we have is three cell reactions. We have to a G s n two lots that generates to a G plus God s m. So we have the honored on the casse owed. So the honored we have the oxidation, So we have to a G. It's a to a G plus two two plus two electrons at the cathode ray of s n two plus. Alongside that, we have two electrons. So all in equilibrium we generate S n in the solid state, so standard production potential off the s and side of our equation here is negative. 1.14 votes. But here we have plus no 0.799 volts. So what we have is the following equation E no. So negative. No 0.14 subtract no 0.799 That is negative. No 0.94 boats. So because the value is negative, that means that the reaction favors the reactant. It's moving on to the next example. Here we have a few to get through. I believe so. What we have is second example, So we have a l three fluffs. Hey, um sn four plus s and two plus. So we have associated values with these chemical changes. Negative 1.66 volts on the positive, not 0.15 volts. So then what we dio is we have no 0.15 Subtract negative 1.66 That gives his body of 1.8 one volts. So because we have a positive value than this reaction will favor the products. Last example, we have. So we will take a look at the chemical transformations. We have ce three plus ask to see e full bluffs. We have cielo, three miners on D C L minus. We have 1.61 faults had no 0.62 world. So what we have is no 0.62 Subtract 1.61 generates value of negative. No point 99 vaults. So because we have a negative value, the reaction will favor the reactant on to the very last example we can write down here. We have seen you two players. Let's see you and I was three miners and oh, no 0.337 volts, plus no 0.96 bolts. So therefore, we have a valley off not 162 outs. So because the value is positive for the reaction favors the products.

So here we were given information that we have a galvanic cell. So we have to have an n not sell that is greater than zero. And were given information that we have two different reactions. Yeah. Mhm. And our first reaction has an innate reduction of 1.23V. While our other reaction Mhm Has an enema of reduction of -0.27V. In order for our not sell to be greater than zero. We must have our first reaction as our reduction reaction and our second reaction as our oxidation reaction. So in order to determine the knob oxidation, we have to flip this reaction. So the not would become 0.27V. So the E not sell would be equivalent to 1.23 plus 0.27 which is 1.50 folds. And now we have to find the net reaction Which would just be adding up the two reactions. So eminent. 02 plus four H plus plus PB plus two cl minus Leads to the formation of MN two plus Plus two H 20 Plus PBCL two. And these are our final answers.

So in this question, using electrode potential daughter electrode, potential daughter. Or we can see standard electrode potential or standard electrodes potential. Or we can say a reduction potential reduction. Potential values Add 25 degree senses, so that is given in appendix given in Appendix de in the Table. So we have given some reaction. Like for Gumpel for first case. Joyce Rio Hopeless. That's six br negative. Let's hear touch costume and let's beard edge for Steve Give So we do positive plus three br toe and full edged tool. So, based on the standard electrode potential table values and that is given in the appendix D, we predict whether the reaction will occur to any significant extent under standard state conditions. So, uh, this value e Nord value e not value for this reaction is minus 0.704 fold. So from this really, we can say that it does not. It does no a guard toe, a significant extent, significant extent at standard conditions at standard conditions. So this will do is we get from the standard electro potential tables. So the part be off the ocean is so that is given as a vanadium. Well, your hopeless less effort Hopeless. Let's do which Boston. And it will form a V orto positive. And this every tree boss Steve along with h 20 So for this direction, we see that, you know, send off this reaction is plus zero point toe nine world. So this bless value indicates that stuff reaction occurred to a significant extent. So it can, right? It does. Oh, good to a significant waas. Significant extent to a significant extent under standard conditions. No RC off the ocean is we can see a man or toe. Let's edged wardroom. Let's to etch postive and it will form M and hopeless. So this is to edge toe, let's order and for this reaction again E Soliz eagle toe less 0.54 So then you can also, uh it can also undergo significant extent under standard conditions so we can write It does occurred to a significant extent. It was significant extent under standard stewed condition standard spared conditions What so with the help off the appendix D and electrode potential values are reduction potential table standard reduction potential table We see that hose e no cell value is negative that it does not occur to a significant extent at standard state condition and who's e north value is positive. That occurred once significant extent under standard state condition, significant extent under standard state condition, standard state conditions. So based on the this, will you weekend tell us about that significant under ah, reaction will occur to any significant extent under standard state conditions.


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