Complete and balance the following redox equation using the set of smallest whole-number coefficients. now sum the coefficients of all species in the balanced equation. (remember the coefficients that are equal to one.) bro3-(aq) + sb3+(aq) ? br-(aq) + sb5+(aq) (acid solution) the sum of the coefficients is

17

Explanation:

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

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.

For the given chemical reaction:

The half cell reactions for the above reaction follows:

Reduction half reaction:  

Oxidation half reaction:  

Multiplying the Oxidation half reaction by 3 and we get that:-

Adding the half reactions, we get that:-

The sum of the coefficients is:- 1 + 6 + 3 + 1 + 3 + 3 = 17

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explanation:

metals have excess of electrons whereas non-metals have deficiency of electrons. thus, in order to gain stability metals easily donate their electrons to the non-metals.

for example, electronic configuration of sodium is and electronic configuration of phosphorous is .

when a phosphorous atom and sodium atom combine together then sodium will donate is extra one electron to the phosphorous atom. as a result there will be formation of ionic bond between sodium and phosphorous.

the reaction will be as follows.

there, are three sodium sodium atoms and each of them will donate its one extra electron to phosphorous atom. thus, the sub-shell of phosphorous gets completely filled.  

thus, we can conclude that electrons are transferred from atoms of sodium to atoms of phosphorous. this transfer makes the sodium atoms donate one electron and the phosphorous atoms to gain one electron. as a result, the sodium and phosphorus atoms strongly attract each other.