Suppression of ionization means:
Correct answer: A. Decreasing ionization
- A. Decreasing ionization
- B. Increasing ionization
- C. Maintaining ionization
- D. None of these options is correct
Explanation
Option A: In liquid chromatography, ion suppression describes the adverse effect on detector response due to reduced ionization efficiency for the analyte (s) of interest, resulting from the presence of species in the sample matrix which compete for ionization, or inhibit efficient ionization in other ways.Option B: Increasing ionization, is the opposite of suppression of ionization and refers to increasing the extent to which a substance forms ions.Option C: Maintaining ionization, suggests that the ionization of a substance is being kept constant, which may or may not be the case depending on the context.Option D: None of these options is correct, is not correct because option A, suppression of ionization, is indeed the correct answer.
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About Common Ion Effect
The common ion effect is the reduction in the ionisation of a weak electrolyte or the solubility of a sparingly soluble salt when a solution already contains one of its ions. Questions apply Le Chatelier's principle, equilibrium constants and solubility product expressions to predict the shift and calculate concentrations.
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