It is to be explained that for small rings, there is a significant difference in boiling points of cyclic alkanes and cyclic ethers, but for large rings, the boiling points are nearly the same. Concept introduction: When compounds contain both polar and nonpolar groups, the strength of intermolecular attraction depends on the size of the nonpolar group. As the size of the nonpolar part increases, the contribution of induced dipole-induced dipole interactions toward the total strength becomes more significant than the contribution of the polar functional group .

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1) The isoamyl acetate report requires eight paragraphs - four for comparison of isoamyl alcohol and isoamyl acetate (one paragraph each devoted to MS, HNMR, CNMR and IR) and four for comparison of acetic acid and isoamyl acetate ((one paragraph each devoted to MS, HNMR, CNMR and IR. 2) For MS, the differing masses of molecular ions are a popular starting point. Including a unique fragmentation is important, too. 3) For HNMR, CNMR and IR state the peaks that are different and what makes them different (usually the presence or absence of certain groups). See if you can find two differences (in each set of IR, HNMR and CNMR spectra) due to the presence or absence of a functional group. Include peak locations. Alternatively, you can state a shift of a peak due to a change near a given functional group. Including peak locations for shifted peaks, as well as what these peaks are due to. Ideally, your focus should be on not just identifying the differences but explaining them in terms of…

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Chapter 2, Problem 2.67P

Interpretation Introduction

Interpretation:

It is to be explained that for small rings, there is a significant difference in boiling points of cyclic alkanes and cyclic ethers, but for large rings, the boiling points are nearly the same.

Concept introduction:

When compounds contain both polar and nonpolar groups, the strength of intermolecular attraction depends on the size of the nonpolar group. As the size of the nonpolar part increases, the contribution of induced dipole-induced dipole interactions toward the total strength becomes more significant than the contribution of the polar functional group.

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1) The isoamyl acetate report requires eight paragraphs - four for comparison of isoamyl alcohol and isoamyl acetate (one paragraph each devoted to MS, HNMR, CNMR and IR) and four for comparison of acetic acid and isoamyl acetate ((one paragraph each devoted to MS, HNMR, CNMR and IR. 2) For MS, the differing masses of molecular ions are a popular starting point. Including a unique fragmentation is important, too. 3) For HNMR, CNMR and IR state the peaks that are different and what makes them different (usually the presence or absence of certain groups). See if you can find two differences (in each set of IR, HNMR and CNMR spectra) due to the presence or absence of a functional group. Include peak locations. Alternatively, you can state a shift of a peak due to a change near a given functional group. Including peak locations for shifted peaks, as well as what these peaks are due to. Ideally, your focus should be on not just identifying the differences but explaining them in terms of…

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