Question

How do you identify redox, precipitate, and acid-base reactions?

Answer 1

Hint:Redox reaction is the reaction in which one species undergoes the oxidation while another species undergoes the reduction.Oxidation is the process where an element loses electrons while reduction is the process in which an element accepts an electron.In precipitation reactions, two solutions of the soluble salts combined to form insoluble salt known as a precipitate.Acid-base reactions involve the transfer of hydrogen from one substance to another substance.

Complete step-by-step answer:In the case of the redox reactions, one species is oxidized while another gets reduced. The example of the redox reaction is as follows:
\[{\text{Zn}}\,{\text{ + }}{{\text{H}}_2}{\text{S}}{{\text{O}}_4} \to \,\,\,{\text{ZnS}}{{\text{O}}_4} + \,{{\text{H}}_2}\]
Here, zinc gets oxidized as its oxidation state change from zero to +2, and hydrogen gets reduced as its oxidation state change from +1 to zero.The example of the precipitation is as follows:
Consider the reaction between silver nitrate and sodium chloride which leads to forming silver chloride and sodium nitrate.
\[{\text{AgN}}{{\text{O}}_{\text{3}}}\left( {aq} \right){\text{ + NaCl}}\left( {aq} \right) \to \,\,\,{\text{AgCl}}\left( s \right)\, + \,{\text{NaN}}{{\text{O}}_{\text{3}}}\left( {aq} \right)\]
Here, we can see that silver chloride precipitate is formed which is insoluble hence, separate from the solution.In the case of the acid-base reactions, acid gives its proton to the base. The example of the acid-base reaction is as follows:\[{\text{HCl + NaOH}} \to \,\,\,{\text{NaCl}}\, + \,{{\text{H}}_2}{\text{O}}\]
Here, we can see that hydrochloric acid gives its proton to base sodium hydroxide and form salt sodium chloride and water.The main difference between the redox reaction and acid-base reaction is there is no change in oxidation states as we can observe in the case of the redox reactions.
In this way, we can identify redox, precipitation, and acid-base reaction.

Note:Redox reactions are a combination of oxidation and reduction reactions.
Precipitation reaction involves the formation of an insoluble precipitate.
Most of the acid-base reaction occurs in the water solvent. All these reactions differ from each other hence, we can identify them easily.