ORGANIC CHEMISTRY W/CONNECT & ALEKS
6th Edition
ISBN: 9781264683888
Author: SMITH
Publisher: MCG
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Textbook Question
Chapter 12A, Problem 19P
Propose four possible structures for a hydrocarbon with a molecular ion at
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2.
The full structural formulae of three organic compounds, P, Q and R, are shown below.
H H
H H
HH
HHHH
Н-С -с- Н
H-C- C - C = C – H
H - C - C = C – C – H
H H
H H
Q
P
(a) State one similarity between P, Q and R in terms of their molecular formulae.
(b) Name the homologous series that compounds P, Q and R belong to.
(c) State one similarity between Q and R in terms of chemical bonding
id) Which of these compounds are isomers? Explain your answer.
1. An experimental technique called ¹3C-Nuclear Magnetic Resonance Spectroscopy
allows chemists to tell how many different kinds of carbon there are in a molecule
and whether carbons are primary (1°), secondary (2°), tertiary (3°), or quaternary (4°).
Give dash (Kekule) structures (i.e., use lines for electron pair bonds) for the
following compounds having a molecular formula C6H12. Also, on each
structure, identify carbons as 1º, 2º, 3º, 4º; tell how many different kinds of C's
there are; and designate which C's are equivalent.
a) A compound having only single bonds and only secondary carbons.
b) A compound having only single bonds and primary, secondary, and
tertiary carbons.
c) A compound having only single bonds and only primary, secondary, and
quaternary carbons.
d) A compound having only single bonds and primary, secondary, tertiary,
and quaternary carbons.
Please don't provide handwritten solution ...
Chapter 12A Solutions
ORGANIC CHEMISTRY W/CONNECT & ALEKS
Ch. 12A.1 - What is the mass of the molecular ion formed from...Ch. 12A.1 - Prob. 3PCh. 12A.2 - Prob. 6PCh. 12A.2 - What molecular ions would you expect for the...Ch. 12A.3 - The mass spectrum of 2,3-dimethylpentane also...Ch. 12A.3 - The base peak in the mass spectrum of 2, 2,...Ch. 12A - Problem-13.24 The mass spectrum of the following...Ch. 12A - Prob. 16PCh. 12A - Which compound gives a molecular ion at m/z= 122,...Ch. 12A - Propose two molecular formulas for each molecular...
Ch. 12A - Propose four possible structures for a hydrocarbon...Ch. 12A - Problem-13.29 What is the molecular formula for...Ch. 12A - Problem-13.30 Propose a molecular formula for rose...Ch. 12A - 13.31 Match each structure to its mass spectrum
Ch. 12A - 13.32 Propose two possible structures for a...
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- Below is a structural formula. What is the corresponding condensed structural H formula? H1C1I Н Н OCH3NHC(CH3)2 H-CN-C-C CH3NHCH(CH3)2 OCH3NC(CH3)2 :Z―I OCH3NCH(CH3)2 H H H I— H -C-H H (arrow_forwardIdentify whether the following pairs of structures are: (A) Same compound (B) Constitutional isomers (C) Cis-trans isomers (D) Not isomersarrow_forward(G) Show the delocalization Of Charges in the following Structures. Draw the resonance forms and indicate the movement of electrons with curved arrows (ii) CH2= CH- o+arrow_forward
- 12.3 (ghi) Predict the product and give the name of the reactionarrow_forwardGiven the following structural formulas, determine the molecular formulas and empirical formulas for each a) H-C C-H H. ннн b) C=C-C -C-H H Harrow_forwardpropose structures for compounds with: a. hydrocarbon with M+ = 132 b. hydrocarbon with M+= 166arrow_forward
- In light of the nitrogen rule mentioned in Problem 12-17, what is the molecular formula of pyridine, M+=79?arrow_forward12.1 (abc) Predict the product of the reaction and the name of the reactionarrow_forwardWhy does acetone [(CH3)2C=O, dipole moment = 2.69 D] have a larger dipole moment than phosgene [Cl₂C=O, dipole moment = 1.17 D] ? Note: electronegativities C = 2.5, Cl = 3.2, O= 3.5, H = 2.2 Select one: O A. In phosgene, the resultant of the C-Cl bond dipole moments is opposite to and partially cancels the C=O dipole moment. In acetone, the resultant of the C-H bond dipole moments (although small) adds to the C=O dipole moment. O B. Phosgene has a tetrahedral geometry while acetone possesses a trigonal geometry. O C. The C-H bond dipole moments of acetone are greater in magnitude than C-Cl bond dipole moments of phosgene. O D. In phosgene the C-Cl bond dipoles cancel out each other.arrow_forward
- Give the relationships between the following pairs of structures (a), (c), (d), (e). The possible relationships are: same compound, constitutional isomer, cis-trans isomers, not isomers (different molecular formula). 2-35 Give the relation isomers, constitutional (structural) isomers, (a) CH₂CH₂CH₂CH3 and (CH3)3CH (c) (e) CH CH CH₁ and CH₂ and CH₂ CH, (d) CH3 CH₂ CH₂ CH₂-CH₂ and CH₂CH3 CH3 C=CH₂ CH3 and CH3. CH₂-CHarrow_forward6arrow_forwardWhich of the structures below are identical? CH3 CH3 CH3 CH,CH,CH2CH3 CH,CHCH3 CH3CHCH,CH3 CH3CCH3 CH3 ČH3 ČH3 (I) (II) (Ш) (IV) O l and II O Il and III О I and IV О land IVarrow_forward
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