
(a)
Interpretation:
The definition of the voltammograms is to be stated.
Concept introduction:
Cyclic voltammetry is a form of potentiodynamic
(b)
Interpretation:
The definition of hydrodynamic voltammetry is to be stated.
Concept introduction:
The hydrodynamic voltammetry technique is different from other voltammetry techniques which are unstirred experiments. The solution in the hydrodynamic voltammetry is kept stirring vigorously. The stirring can be provided by means of rotation of the electrode at a constant speed.
(c)
Interpretation:
The definition of Nernst diffusion layer is to be stated.
Concept introduction:
The diffusion layer is a region adjacent to the electrode, where the concentrations are different from that in the solution.
At slower rates of scan, the diffusion layer is large whereas at faster rates of the scan, the diffusion layer is comparatively small.
(d)
Interpretation:
The definition of mercury film electrode is to be stated.
Concept introduction:
Voltammetry involves plotting the current against the applied potential. This type of measurement is usually used to study the electrochemical properties of the analytes in the solutions or the molecules that have been adsorbed on the electrode. There are a variety of voltammetry methods available. These include linear sweep voltammetry, staircase voltammetry, alternating current voltammetry etc.
(e)
Interpretation:
The definition of half wave potential is to be stated.
Concept introduction:
For any given electrolyte, half wave potential is unique for each of the elements and for it’s different valence states and forms. Observation of the peak current at any specific half wave potential helps in identification of the chemical species that produces the current.
(f)
Interpretation:
The definition of voltammetric sensor is to be stated.
Concept introduction:
Voltammetric sensor is a device that is used for the purpose of carrying out voltammetry measurements.
It acts as an electrode in this process and helps determine the electrochemical properties of the analyte in the solution.

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Chapter 25 Solutions
Principles of Instrumental Analysis
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- Indicate the products obtained from the reaction of 2-nitrophenol with a sulfonitric acid mixture (H2SO4 + HNO3). Indicate the majority if necessary.arrow_forwardIn organic chemistry, what is the correct name for the mixture H2SO4 + HNO3 used in reactions: sulphonitric mixture or sulfonitric mixture?arrow_forwardFormulate the products obtained by reacting p-toluidine with a sulfonate mixture. Indicate the majority if necessary.arrow_forward
- Consider this organic reaction: OH Draw the major products of the reaction in the drawing area below. If there won't be any major products, because this reaction won't happen at a significant rate, check the box under the drawing area instead. Click and drag to start drawing a structure. x 0: の Carrow_forwardExplain the reasons for a compound's greater or lesser reactivity toward electrophilic aromatic substitution. Give reasons.arrow_forwardDraw the products of a reaction of the following alkyle chloride, shown below in the 3D ball and stick model with NaSCH3. Ignore inorganic byproducts. In the figure, a gray ball indicates a carbon atom a white ball indicates a hydrogen atom anda agreen ball indicated a chlorine atomarrow_forward
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- Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
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