Consider the following statements - VCE - SSCE Chemistry - Question 6 - 2023 - Paper 1
Question 6
Consider the following statements.
I. HPLC is a qualitative process.
II. HPLC is a quantitative process.
III. Triplets give information about molecule structure.
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Worked Solution & Example Answer:Consider the following statements - VCE - SSCE Chemistry - Question 6 - 2023 - Paper 1
Step 1
I. HPLC is a qualitative process.
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Answer
This statement is incorrect. High-Performance Liquid Chromatography (HPLC) is primarily a quantitative technique, as it measures the concentration of components in a sample.
Step 2
II. HPLC is a quantitative process.
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Answer
This statement is correct. HPLC is widely used to quantify compounds in various samples by measuring the area under the peak in the chromatogram, which corresponds to the concentration of the substance.
Step 3
III. Triplets give information about molecule structure.
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Answer
This statement is somewhat misleading in the context of HPLC. In HPLC, triplets are not typically related to structure determination; rather, techniques like Nuclear Magnetic Resonance (NMR) are used for structural analysis.
Step 4
Final Answer Selection
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Answer
Based on the analyses above:
Statement I is incorrect.
Statement II is correct.
Statement III is misleading regarding HPLC applications.
Thus, the only relevant correct answer is option C: I and II only.
