Skip to ContentGo to accessibility pageKeyboard shortcuts menu
OpenStax Logo

Problem 12-2
(a)
2-Methyl-2-pentene
(b)
2-Hexene
Problem 12-3
(a)
43, 71
(b)
82
(c)
58
(d)
86
Problem 12-4
102 (M+), 84 (dehydration), 87 (alpha cleavage), 59 (alpha cleavage)
Problem 12-5
X-ray energy is higher; λ = 9.0 × 10−6 m is higher in energy.
Problem 12-6
(a)
2.4 × 106 kJ/mol]
(b)
4.0 × 104 kJ/mol
(c)
2.4 × 103 kJ/mol
(d)
2.8 × 102 kJ/mol
(e)
6.0 kJ/mol
(f)
4.0 × 10−2 kJ/mol
Problem 12-7
(a)
Ketone or aldehyde
(b)
Nitro compound
(c)
Carboxylic acid
Problem 12-8
(a)
CH3CH2OH has an  −OH absorption.
(b)
1-Hexene has a double-bond absorption.
(c)
CH3CH2CO2H has a very broad  −OH absorption.
Problem 12-9
1450–1600 cm−1: aromatic ring; 2100 cm−1: C C; 3300 cm−1: C C−H
Problem 12-10
(a)
1715, 1640, 1250 cm−1
(b)
1730, 2100, 3300 cm−1
(c)
1720, 2500–3100, 3400–3650 cm−1
Problem 12-11
1690, 1650, 2230 cm−1
Citation/Attribution

This book may not be used in the training of large language models or otherwise be ingested into large language models or generative AI offerings without OpenStax's permission.

Want to cite, share, or modify this book? This book uses the Creative Commons Attribution-NonCommercial-ShareAlike License and you must attribute OpenStax.

Attribution information
  • If you are redistributing all or part of this book in a print format, then you must include on every physical page the following attribution:
    Access for free at https://openstax.org/books/organic-chemistry/pages/1-why-this-chapter
  • If you are redistributing all or part of this book in a digital format, then you must include on every digital page view the following attribution:
    Access for free at https://openstax.org/books/organic-chemistry/pages/1-why-this-chapter
Citation information

© Aug 5, 2024 OpenStax. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike License . The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo are not subject to the Creative Commons license and may not be reproduced without the prior and express written consent of Rice University.