Answered: Why is the product in the synthesis of…

Why is the product in the synthesis of methyl benzoate can be extracted with a sodium carbonate solution and magnesium sulfate are added before the final distillation?

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter23: Addition To A Carbonyl

Section: Chapter Questions

Problem 25E

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Concept explainers

NMR Spectroscopy

NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra of visible light and all bands of electromagnetic radiation is called spectroscopy.

Question

1. Why is the product in the synthesis of methyl benzoate can be extracted
with a sodium carbonate solution and magnesium sulfate are added
before the final distillation?

2. Give two reasons why a water bath can and
must be used during the recrystallisation of
benzoin synthesisis.

3. Why does p-nitroacetanilide recrystallize in
ethanol, but the o-acetanilide remains in the
filtrate in the synthesis of P-nitroacetanilide?

4. Steam distillation can be used to extract
essential oils from cloves in the isolation of essential oils from cloves. Which
extraction technique would you use to extract
terpenes and why?

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