Pageof 11ZOOM+A1.What is the arrangement of the bonds surrounding carbon in a saturatedhydrocarbon?lineartrigonal planartetrahedralВtrigonal bipyramidalA2.What is the definition of a constitutional isomer?Amolecules with the same numbers and kinds of atoms arranged in differentwaysmolecules with the same arrangements of atoms, but different arrangementsof electronsmolecules with the same connectivities, but different 3-D anglesmolecules with different isotopes of the same atomsВАЗ.How many hydrogen atoms does the following molecule contain?12В1618Which functional group gives rise to a broad IR absorption between 3200 cm-1 and3600 cm-1?A4.AO-H stretchC-H stretchO-H bendC-O stretchА5.How many resonances will appear in the 13C NMR spectrum of cyclopentanone?34Section A continues on the next pageN468ABCDABCDABCD Page <> of 11ZOOM+Section A (continued)А6.Which of the following is capable of existing as E or Z isomers?A2-methylpenteneВ3-methylpentene2-methylpent-2-ene3-methylpent-2-eneA7.Which of the following molecules represents the most stable conformation ofcyclohexanol?AВOHFOHÓHА8.What is the relationship between the chlorine atoms in the following structure?H.H.AThey are gauche staggered.BThey are anti staggered.CThey are eclipsed.They are trans staggered.А9.Which of the following statements is true for an Sn2 reaction?The rate of an Sn2 reaction depends on the concentration of:Аthe electrophile onlyBthe nucleophilethe productDthe nucleophile and electrophile

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Page of 11 A1. What is the arrangement of the bonds surrounding carbon in a saturated hydrocarbon? A linear B trigonal planar tetrahedral trigonal bipyramidal D

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter21: Organic And Biological Molecules

Section: Chapter Questions

Problem 7RQ

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Concept explainers

Alkynes

Alkynes are organic compounds that contain at least one triple bond between carbon-carbon atoms. They are a series of unsaturated compounds with a general molecular formula, CnH2n-2.

Question

Page
of 11
ZOOM
+
A1.
What is the arrangement of the bonds surrounding carbon in a saturated
hydrocarbon?
linear
trigonal planar
tetrahedral
В
trigonal bipyramidal
A2.
What is the definition of a constitutional isomer?
A
molecules with the same numbers and kinds of atoms arranged in different
ways
molecules with the same arrangements of atoms, but different arrangements
of electrons
molecules with the same connectivities, but different 3-D angles
molecules with different isotopes of the same atoms
В
АЗ.
How many hydrogen atoms does the following molecule contain?
12
В
16
18
Which functional group gives rise to a broad IR absorption between 3200 cm-1 and
3600 cm-1?
A4.
A
O-H stretch
C-H stretch
O-H bend
C-O stretch
А5.
How many resonances will appear in the 13C NMR spectrum of cyclopentanone?
3
4
Section A continues on the next page
N468
ABCD
ABCD
ABCD

Page <
> of 11
ZOOM
+
Section A (continued)
А6.
Which of the following is capable of existing as E or Z isomers?
A
2-methylpentene
В
3-methylpentene
2-methylpent-2-ene
3-methylpent-2-ene
A7.
Which of the following molecules represents the most stable conformation of
cyclohexanol?
A
В
OH
FOH
ÓH
А8.
What is the relationship between the chlorine atoms in the following structure?
H.
H.
A
They are gauche staggered.
B
They are anti staggered.
C
They are eclipsed.
They are trans staggered.
А9.
Which of the following statements is true for an Sn2 reaction?
The rate of an Sn2 reaction depends on the concentration of:
А
the electrophile only
B
the nucleophile
the product
D
the nucleophile and electrophile

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