Analytical Chemistry:

Analytical chemistry is the branch of chemistry that deals with the study of the chemical composition of materials. It is concerned with the identification, separation, and quantification of chemical compounds.

Voltametry:

Voltametry is a form of analytical chemistry that seeks to obtain the condition of full polarization. It is a technique used to measure the current that flows through an electrochemical cell as a function of the applied voltage. The technique involves applying a voltage to an electrochemical cell and measuring the resulting current.

Potentiometry:

Potentiometry is another form of analytical chemistry that measures the potential difference between two electrodes in an electrochemical cell. It is a technique used to measure the concentration of ions in a solution. The concentration of ions is determined by measuring the potential difference between two electrodes immersed in the solution.

Coulometry:

Coulometry is a form of analytical chemistry that measures the amount of charge that flows through an electrochemical cell. It is used to determine the amount of a substance present in a sample.

Ohmetry:

Ohmetry is a technique used to measure the resistance of an electrical circuit. It is not a form of analytical chemistry that seeks to obtain the condition of full polarization.

Conclusion:

In conclusion, the correct answer to the question is B, Voltametry. Voltametry is a form of analytical chemistry that seeks to obtain the condition of full polarization. It is a technique used to measure the current that flows through an electrochemical cell as a function of the applied voltage.