For a particular redox reaction, NO-2 is oxidized to NO-3 and Ag+ is reduced to Ag . Complete and balance the equation for this reaction in basic solution. The phases are optional. balanced reaction: NO-2 + Ag^{+} -> NO-3+ Ag

The following are the steps  to complete and balnce the equation for the given reaction

Explanation:

We are given, NO2– is oxidized to NO3– and Ag is reduced to Ag

NO2– + Ag+ > NO3– + Ag(s)

Step 1) Assign the oxidation state to each element reaction

NO2– + Ag+ > NO3– + Ag(s)

N= +3                           N = +5                        

O = -2                            O = -2

Ag = +1                         Ag = 0

NO2– > NO3– ………oxidation half reaction

Ag+ > Ag(s) ……….reduction half reaction

Step 2) Balance the element other than O and H

     NO2– > NO3–

     Ag+ > Ag(s)

Step 3) Balance the O by adding 1 H2O for 1 O

     NO2– + H2O > NO3–

     Ag+ > Ag(s)

Step 4) Balance the H by adding H+

    NO2– + H2O > NO3– + 2H+

     Ag+ > Ag(s)

Step 5) Balance the charge by adding electron

    NO2– + H2O > NO3– + 2H+ + 2e-

     Ag+ + 1e> Ag(s)

Step 6) Balance the electron in both half reaction

    NO2– + H2O > NO3– + 2H+ + 2e-

     2 Ag+ + 2e> 2 Ag(s)

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explanation:

the largest database of organic compounds lists about 10 million substances, which include compounds originating from living organisms and those synthesized by chemists. the number of potential organic compounds has been estimated at 1060—an astronomically high number. the existence of so many organic molecules is a consequence of the ability of carbon atoms to form up to four strong bonds to other carbon atoms, resulting in chains and rings of many different sizes, shapes, and complexities. the simplest organic compounds contain only the elements carbon and hydrogen, and are called hydrocarbons. even though they are composed of only two types of atoms, there is a wide variety of hydrocarbons because they may consist of varying lengths of chains, branched chains, and rings of carbon atoms, or combinations of these structures. in addition, hydrocarbons may differ in the types of carbon-carbon bonds present in their molecules. many hydrocarbons are found in plants, animals, and their fossils; other hydrocarbons have been prepared in the laboratory. we use hydrocarbons every day, mainly as fuels, such as natural gas, acetylene, propane, butane, and the principal components of gasoline, diesel fuel, and heating oil. the familiar plastics polyethylene, polypropylene, and polystyrene are also hydrocarbons. we can distinguish several types of hydrocarbons by differences in the bonding between carbon atoms. this leads to differences in geometries and in the hybridization of the carbon orbitals.