Quantitative Chemical Analysis Final Exam Questions with Correct Solutions||100% Guaranteed Pass||Updated 2026/2027 Syllabus||A+ GRADED!!!||RECENT VERSION

Quantitative Chemical Analysis Final Exam Questions with Correct Solutions||100% Guaranteed Pass||Updated 2026/2027 Syllabus||A+ GRADED!!!||RECENT VERSION Electrode potential is described by this equatio - ANSWER Nernst equation If the potential of a half reaction M+ + e M(s) is E1, the potential E of the new reaction 2M+ + 2e 2M(s) is - ANSWER E=E1 An electrode on which the reaction of interest takes place is known as this: - ANSWER Indicator electrode An electrode with a stable potential is known as this: - ANSWER Reference electrode By convention, the electrode potential of a standard hydrogen electrode is accepted to have this value at 100°C: - ANSWER 0.0 V A calomel electrode represents this type of electrode - ANSWER Reference electrode In an electrochemical process, an oxidizing agent undergoes this: - ANSWER Reduction This is not one of the functions of salt bridge - ANSWER Facilitate the flow of ions This is the functions of salt bridge - ANSWER Separate the two half cell Maintain the electric conductivity Lower the junction potential This chemical is commonly used in salt bridge: - ANSWER KCl The gain of electron by a chemical species is known as this - ANSWER Reduction Principles of this electrochemical method are utilized in a glucose sensor used by diabetic patients - ANSWER Amperometry This physical quantity is measured in Amperometric analysis - ANSWER Current Karl-Fisher titration is used to determine this: - ANSWER Water Beer's Law involves procedures that use this optical phenomenon to measure analyte concentrations: - ANSWER Absorption According to wave theory, light represents electromagnetic waves consisting of electrical and magnetic fields oscillating at this angle with respect to each other: - ANSWER 90 degrees According to dual-property theory, light consists of particles known as this: - ANSWER Photons Visible light covers this range of wavelengths: - ANSWER 400-800nm Under this condition, Beer's law can not be used - ANSWER Concentrated solution Beer's law plots are generally done at lambda max, because at this wavelength - ANSWER The sensitivity is the greatest In a mass spectrometric detector, the number of electrons is multiplied by a series of these devices: - ANSWER Dynodes In mass spectrum the x-axis represents - ANSWER the mass to charge ratio Among all the ionization methods, the amount of fragmentation generated by electron ionization is this than chemical ionization: - ANSWER More In electron ionization, high energy electrons with this typical value of energy are used to ionize the analyte molecules: - ANSWER 70 eV In a mass spectrum, the most prominent peak is known as this: - ANSWER base peak This spectrometric method is also known as gas-phase electrophoresis: - ANSWER Ion mobility spectrometry Nitrogen rule - ANSWER If number on nitrogen in compound is odd then the molecular ion will be characterized by a nominal mass value that is odd In gas chromatography, the basis for separation of the components of the volatile material is the difference in - ANSWER Partition coefficient What does the retention factor k describe: - ANSWER The distribution of an analyte between the stationary and the mobile phase; The A term in describing the relationship between column height and flow rate is: - ANSWER Eddy diffusion In Gas-Liquid chromatography, the stationary phase is in this physical state: - ANSWER Liquid In GC, a liquid sample is introduced with the help of this device - ANSWER Micro syringe This represents a typical liquid sample volume for injection into a GC system: - ANSWER 1 micro liter During sample injection of GC, this is commonly used for thermally unstable chemicals: - ANSWER on-Column injection During split injection in GC, most of the injected sample goes through this: - ANSWER Split vent During split injection in GC, this amount of the injected sample goes into the column: - ANSWER 1% Split Injection is carried out by - ANSWER Splitting off some of the sample so that it does not enter the column;