Basic Titration Methods - Advanced Concepts

Q. In a redox reaction, what happens to the substance that is oxidized?
  • A. It gains electrons.
  • B. It loses electrons.
  • C. It is reduced.
  • D. It remains unchanged.
Q. What is a back titration?
  • A. Titration of a solution with a known concentration
  • B. Titration where the endpoint is determined by color change
  • C. Titration of an excess reagent followed by titration of the excess
  • D. Titration that uses a solid reagent
Q. What is the coordination number of a metal in a complex with six ligands?
  • A. 2
  • B. 4
  • C. 6
  • D. 8
Q. What is the effect of increasing the concentration of a reactant in a titration?
  • A. Increases the volume of titrant needed
  • B. Decreases the volume of titrant needed
  • C. Has no effect on the titration
  • D. Changes the endpoint color
Q. What is the IUPAC name for the compound with the formula C3H6O?
  • A. Propanal
  • B. Propan-2-one
  • C. Cyclopropanol
  • D. Propene
Q. What is the main functional group present in acetic acid?
  • A. Alcohol
  • B. Aldehyde
  • C. Carboxylic acid
  • D. Ketone
Q. What is the oxidation state of sulfur in sulfuric acid (H2SO4)?
  • A. 0
  • B. 2
  • C. 4
  • D. 6
Q. What is the pH of a solution that is 0.01 M in hydrochloric acid (HCl)?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. What is the primary factor affecting the rate of a titration reaction?
  • A. Concentration of reactants
  • B. Temperature of the solution
  • C. Volume of the titrant
  • D. All of the above
Q. What is the primary product of the reaction between an acid and a base?
  • A. Salt
  • B. Water
  • C. Hydrogen gas
  • D. Carbon dioxide
Q. What is the primary purpose of a titration in analytical chemistry?
  • A. To determine the concentration of a solution
  • B. To measure the pH of a solution
  • C. To separate components of a mixture
  • D. To identify unknown compounds
Q. What is the primary purpose of a titration in organic chemistry?
  • A. To determine the concentration of a solution
  • B. To separate compounds
  • C. To identify functional groups
  • D. To measure boiling points
Q. What is the purpose of using a standard solution in titration?
  • A. To dilute the analyte
  • B. To provide a known concentration for comparison
  • C. To stabilize the temperature
  • D. To increase the reaction rate
Q. What is the role of a buffer solution in a titration?
  • A. To maintain a constant pH
  • B. To increase the reaction rate
  • C. To provide a color change
  • D. To dilute the solution
Q. What is the role of a buffer solution in titration?
  • A. To maintain a constant pH
  • B. To increase the reaction rate
  • C. To dilute the titrant
  • D. To change the color of the solution
Q. What is the role of a titrant in a titration?
  • A. To react with the analyte
  • B. To dilute the solution
  • C. To stabilize the pH
  • D. To measure the volume
Q. What is the significance of the endpoint in a titration?
  • A. It indicates the completion of the reaction
  • B. It shows the initial concentration
  • C. It measures the temperature change
  • D. It determines the solubility product
Q. What type of biomolecule is an enzyme?
  • A. Carbohydrate
  • B. Lipid
  • C. Protein
  • D. Nucleic acid
Q. Which indicator is commonly used for a strong acid-strong base titration?
  • A. Phenolphthalein
  • B. Methyl orange
  • C. Bromothymol blue
  • D. Litmus
Q. Which of the following compounds would show optical isomerism?
  • A. 2-butanol
  • B. Butane
  • C. Hexane
  • D. Cyclohexane
Q. Which of the following indicators is most suitable for a strong acid-strong base titration?
  • A. Phenolphthalein
  • B. Methyl orange
  • C. Bromothymol blue
  • D. Litmus
Q. Which of the following is a characteristic of metallic bonding?
  • A. Electrons are shared between specific atoms.
  • B. Electrons are localized around individual atoms.
  • C. Electrons are delocalized and free to move.
  • D. Electrons are transferred from one atom to another.
Q. Which of the following is a common error in titration?
  • A. Using a burette with a broken stopcock
  • B. Using a volumetric flask for titrant
  • C. Not swirling the flask during titration
  • D. All of the above
Q. Which of the following is a common method to determine the endpoint of a titration?
  • A. pH meter
  • B. Conductivity meter
  • C. Visual color change
  • D. All of the above
Q. Which of the following ligands is a bidentate ligand?
  • A. Ammonia (NH3)
  • B. Ethylenediamine (en)
  • C. Chloride ion (Cl-)
  • D. Water (H2O)
Q. Which of the following metals is most commonly used in the extraction of aluminum?
  • A. Iron
  • B. Copper
  • C. Bauxite
  • D. Zinc
Q. Which of the following statements about the periodic table is true?
  • A. Elements in the same group have similar chemical properties.
  • B. Elements in the same period have similar atomic masses.
  • C. Noble gases are highly reactive.
  • D. Metals are located on the right side of the periodic table.
Q. Which reaction mechanism is primarily involved in the nucleophilic substitution of alkyl halides?
  • A. SN1
  • B. SN2
  • C. E1
  • D. E2
Q. Which type of bond is formed by the sharing of electron pairs between atoms?
  • A. Ionic bond
  • B. Covalent bond
  • C. Metallic bond
  • D. Hydrogen bond
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