
a)
Interpretation:
From the Table 24-2, the elution order of Hexane, Heptane, Octane, Benzene, Butanol and 2-pentanone has to predicted from the column containing Poly(dimethylsiloxane).
Concept Introduction:
Kovats retention index:
Retention index, I for linear
For a molecule of Octane,
For a molecule of Nonane,
The elution of compound between Octane and Nonane will have retention index between 800 and 900 is calculated using the formula,
Where,
To predict the elution order of Hexane, Heptane, Octane, Benzene, Butanol and 2-pentanone from the column containing Poly(dimethylsiloxane)
b)
Interpretation:
From the Table 24-2, the elution order of Hexane, Heptane, Octane, Benzene, Butanol and 2-pentanone has to predicted from the column containing
Concept Introduction:
Kovats retention index:
Retention index, I for linear alkane equals 100 times the number of Carbon atoms.
For a molecule of Octane,
For a molecule of Nonane,
The elution of compound between Octane and Nonane will have retention index between 800 and 900 is calculated using the formula,
Where,
To predict the elution order of Hexane, Heptane, Octane, Benzene, Butanol and 2-pentanone from the column containing
c)
Interpretation:
From the Table 24-2, the elution order of Hexane, Heptane, Octane, Benzene, Butanol and 2-pentanone has to predicted from the column containing poly(ethylene glycol).
Concept Introduction:
Kovats retention index:
Retention index, I for linear alkane equals 100 times the number of Carbon atoms.
For a molecule of Octane,
For a molecule of Nonane,
The elution of compound between Octane and Nonane will have retention index between 800 and 900 is calculated using the formula,
Where,
To predict the elution order of Hexane, Heptane, Octane, Benzene, Butanol and 2-pentanone from the column containing poly(ethylene glycol)

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Chapter 24 Solutions
Quantitative Chemical Analysis
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