Free Analytical Chemistry MCQs with Answers
105 Analytical Chemistry MCQs from Chemistry, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Analytical chemistry identifies and measures substances using separation and instrumental methods. Chromatography is studied through stationary and mobile phases, retention and Rf values, while spectroscopy connects absorption of electromagnetic radiation with molecular structure and supports qualitative and quantitative analysis through techniques such as UV-visible and infrared spectroscopy.
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Read the Analytical Chemistry notesFree MDCAT chapter notes with key terms105 questions · page 1 of 6
- A. Physical chemistry
- B. Organic chemistry
- C. Inorganic chemistry
- D. Analytical chemistry
Explanation: Analytical chemistry is the specific field of chemistry dedicated to obtaining, processing, and communicating information about the…
Correct answer: Analytical chemistry- A. Quantitative analysis
- B. Qualitative analysis
- C. Volumetric analysis
- D. Gravimetric analysis
Explanation: Qualitative analysis focuses on identifying the constituent elements and compounds present in a sample.
Correct answer: Qualitative analysis- A. Gravimetric analysis
- B. Coulometric analysis
- C. Quantitative analysis
- D. Qualitative analysis
Explanation: Quantitative analysis is concerned with measuring the exact amount or concentration of specific substances within a sample.
Correct answer: Quantitative analysis- A. Density
- B. Viscosity
- C. Surface tension
- D. Volume
Explanation: Volumetric analysis, such as titration, relies on the precise measurement of the volume of a solution of known concentration that is…
Correct answer: Volume- A. Electric current
- B. Electrical potential
- C. Dielectric constant
- D. Electrical conductance
Explanation: Conductometry is an analytical technique that measures the electrical conductance of a solution.
Correct answer: Electrical conductance- A. Electrical conductance
- B. Electrical potential
- C. Thermal conductance
- D. Voltage
Explanation: Potentiometry is an electrochemical method that involves measuring the electrical potential (voltage) difference between two electrodes in…
Correct answer: Electrical potential- A. Electrical current
- B. Electrical potential
- C. Electrical conductance
- D. Dielectric constant
Explanation: Coulometry is an analytical technique where the quantity of a substance is determined by measuring the total electric charge (in Coulombs)…
Correct answer: Electrical current- A. Thermal analysis
- B. Potentiometry
- C. Conductometry
- D. Polarography
Explanation: Polarography is a type of voltammetry where the potential of a dropping mercury electrode is varied and the resulting current is measured.
Correct answer: Polarography- A. Spectrophotometry
- B. Colorimetry
- C. NMR
- D. All the above techniques
Explanation: Spectrophotometry and colorimetry both measure the amount of light absorbed by a substance to determine its concentration.
Correct answer: All the above techniques- A. Flame photometry
- B. Atomic absorption spectrophotometry
- C. Raman spectroscopy
- D. Conductometry
Explanation: In flame photometry, a sample is introduced into a flame, causing atoms to become electronically excited.
Correct answer: Flame photometry- A. Emission spectroscopy
- B. Colorimetry
- C. Polarimetry
- D. Turbidimetry
- E. Paleography
Explanation: Turbidimetry measures the reduction in the transmission of light due to scattering by suspended particles in a solution.
Correct answer: Turbidimetry- A. Refractometry
- B. Polarimetry
- C. Interferometry
- D. Mass spectrometry
Explanation: Polarimetry is a technique that measures the angle of rotation of plane-polarized light as it passes through an optically active (chiral)…
Correct answer: Polarimetry- A. Conductometry
- B. Refractometry
- C. Coulometry
- D. Polarography
Explanation: Refractometry measures the extent to which light is bent, or refracted, when it passes from one medium to another.
Correct answer: Refractometry- A. Precipitation
- B. Distillation
- C. Electrode position
- D. All of the above
Explanation: Precipitation separates components based on solubility, distillation separates based on boiling point, and electrodeposition separates…
Correct answer: All of the above- A. Distillation
- B. Complex formation
- C. Electrodeposition
- D. Precipitation
Explanation: Precipitation is a separation technique where a reagent is added to a solution to selectively convert the analyte into an insoluble solid…
Correct answer: Precipitation- A. Chromatography
- B. Dialysis
- C. Electrodialysis
- D. Electrodeposition
Explanation: Electrodeposition, also known as electroplating or electrolytic deposition, is a process that uses an electric current to reduce dissolved…
Correct answer: Electrodeposition- A. Dialysis
- B. Solvent extraction
- C. Chromatography
- D. Distillation
Explanation: Distillation is a widely used and effective method for separating components of a liquid mixture based on differences in their boiling…
Correct answer: Distillation- A. Chromatography
- B. Dialysis
- C. Solvent extraction
- D. Electrophoresis
Explanation: Solvent extraction is a method used to separate compounds based on their relative solubilities in two different immiscible liquids…
Correct answer: Solvent extraction- A. Distillation
- B. Dialysis
- C. Solvent extraction
- D. Chromatography
Explanation: Chromatography is a powerful separation technique where components of a mixture are separated based on their differential distribution…
Correct answer: Chromatography- A. Dialysis
- B. Electrophoresis
- C. Solvent extraction
- D. Distillation
Explanation: Electrophoresis is a technique used to separate macromolecules like proteins based on their size and net electric charge.
Correct answer: ElectrophoresisAnalytical Chemistry MCQs: common questions
Are these Analytical Chemistry MCQs free?
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How many Analytical Chemistry MCQs are on this page?
There are 105 Analytical Chemistry MCQs in the Chemistry bank, shown 20 to a page with the correct answer and an explanation on each.
Does every Analytical Chemistry MCQ have an explanation?
Yes. Each Analytical Chemistry question shows the correct option and a written explanation of why it is correct, so a wrong answer teaches you something rather than just being marked wrong.
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