Atkins' Physical Chemistry 11e
11th Edition
ISBN: 9780192575135
Author: Peter Atkins; Julio de Paula; James Keeler
Publisher: Oxford University Press Academic UK
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Question
Chapter 12, Problem 12B.13BE
Interpretation Introduction
Interpretation:
The
Concept introduction:
Nuclei will be chemically equivalent if they are related by a symmetry operation and have an identical chemical shift. Nuclei will be magnetically equivalent if they are chemically equivalent and have the same spin-spin interactions with the other nuclei.
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Draw the most stable chair conformation of 1-ethyl-1-methylcyclohexane, clearly showing the axial and equatorial substituents. [4]
Draw structures corresponding to the following IUPAC name for each of the following compounds; [5]
i) 4-Isopropyl-2,4,5-trimethylheptane
ii) trans-1-tert-butyl-4-ethylcyclohexane
iii) Cyclobutylcycloheptane
iv) cis-1,4-di-isopropylcyclohexane (chair conformation)
v) 3-Ethyl-5-isobutylnonane
Draw and name molecules that meet the following descriptions; [4]
a) An organic molecule containing 2 sp2 hybridised carbon and 1 sp-hybridised carbon atom.
b) A cycloalkene, C7H12, with a tetrasubstituted double bond.
Also answer question 2 from the image
H
14. Draw the line angle form of the following molecule make sure you use the proper
notation to indicate spatial positioning of atoms.
F
F
H
15. Convert the following condensed form to line angle form:
(CH3)3CCH2COCH2CON(CH2CH3)2
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