Answered: TRANSHETTANCET 50 100 4000 3000 2000…

Science

Chemistry

TRANSHETTANCET 50 100 4000 3000 2000 1500 WAVENUMBERI 1000 Taken in Liquid Film 500

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter27: Molecular Fluorescence Spectroscopy

Section: Chapter Questions

Problem 27.9QAP

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Question

A sample mixture contains a mixture of ethanol, cyclopentane, and 1-nitropropane. Using fractional distillation, the highest volume of distillate came out at 130-135 °C. After pooling these fractions, the corrected refractive index of the compound was found to be 1.4018 at 20 °C. Then the IR spectrum of the sample was taken, as shown in the picture below. Based on the experimental data, what is the identity of the unknown compound? Using the CRC Handbook of Chemistry and Physics, Spectral Databases, and or Table 21.2 in Mohrig and explain your reasoning!

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Column Plate Number: 16Retention Factor: 3.1Sample Peak Retention Time: 1.2minutesSample Peak Width: 1.53First Peak Retention Factor: 2.10Second Peak Retention Factor: 1.37Efficiency: 0.43Pressure: 375barrColumn: 28cm x 5mmViscosity: 2.3poiseFlow Rate: 1.2Column Permeability: 2.8 FIND: a & ba. Resolution b. Pressure if flow rate is adjusted to 2.3 c. Particle Size d. Selectivity Factor e. The retention time of the unretained peak