Hydrocarbon Practice Questions Answers

15. Name
(a)
.•.....
each
It"
alkyne.
CH3
.,'
-
I
'CH3-C-C=C~
(b)
!
I
16. Draw a condensed
structural
diagram
c.;..)
(a)
Z-pentyne
(h)
4,S-dimethyl-Z-heptyne
(c)
3-ethyl-4-methyl-l-hexyne
d\- c....:::
8)
l
i)
fOl'_each cornpou~d
f
c... - cJ~zC)-t)
Or
(]i"?c.\-t-
3
(d) 2,5,7-trimethyl-3-octyne
~\\-c...:c-Q-\.3
<2.,1+3
, )
----------------/
'--'
5. Name
(a)
each
compound.
CH)
I
(b)
-OY
@)-CH-CH2
\;;L,--~\~~\
6v..+n
~t~
CH)
Y'-~
I
CH)
:l ,;)
:"''''-t'\
i'iJl"0'-1-'--
~rEff;ltllc~:t
fROM PAGE 549
(c)
{d}
e3
(e)
cl , J /!- -+r< ~~
\I
I
I
I
L\
-t'"'1"]\
c
~/-<L
.
,
i
"
l~
Id)
[h]
CH3-CH2-CH'~CH'
")S -~\.\
18. Draw
a condensed
l-
structural
diagram
la) 1,2,4-trirnelhylcycloheptane
/
JZfr'"
,'*
<" - .
~~'V'..A ~
".
\ - 1- c..~06 oc..A.,,-+.lV
:) ~_ IY'~
3;+-d-~~~\
0.;) ~
for each compound.
le) 1,3-ethyl-2-methylcyclopentane
[b]
2-ethyl-3-propyl-l-cyclobutene
0) 4-butyl-3-methyl-l-cyclohexene
(c)
3-methyl-2-cyclopentene
(g)
1.1-dimethylcyclopentane
(d)
cyclopentene
(h)
1,2,3,4,5 ,6-hexamethyl
0."'
_))
5, S
-1-
1\.-.:> V\.Q,(\-e-
I'
1.1 \
-CA-t'l---",''-,\
I _
- l
r , 1. cl:. h. -e.~I'\e.
~
cyclohexane
cl)
~~l
c \-\-~
t:.\{- 3
b)
e~l
Gl~~C\~
C.}
\(~-c.~,
<?))
c\.l.tC.~3
e)
~C\-t3
.~-J-\A-<..<:'~s
.
C.
c.~l..C~CW3
l.
A
\-\
.-
~)
(y~~
~) W
Q-c{-(-,
C. Ht C\.\~C.~~ W3
c...\-\.3
d\~ .
(
\-\3
cJ-t 3
-C.t-t3
C ~3
(
"\
e
q:'iTI]l
(c)
Na~
~
each co~nd_
CH3
.
CH]
I
.I.,
C;:H~CH-
H]-LtH-
CH2-
3- .e..-\+,-,-\ \-
CH,
;}
I L\:--
dl\"t\-~*"h1\ k<:....)(GLV"-~
~
(0)
(b)
Id)
(e)
o !Jl!2i
-<>. (a)
Draw a condensed structural
2.Q-dimethyl-3-hexene
5-ethyl-4-pTopyl-Z-heptyne
(h)
le] 3 .5-diethy
X
1~Z,4,7 ,8-tetrametbyl-5-propyldecane
trans-4-methyl-3-heptene
Id)
(3
diagram for each compound.
'f..
Draw and name-all the isomers that are represented
molecular formula.
by each
@
C)H~
la)
(h) CSH12
(c)
CSHlO
@ &l2.:.1 Identify any mistakes in the name andlor structure
each compound.
c.:
'3.'-1: ~\~
(b)fi-ethyl--'t5-methyl-l-
la)!-methyl-Z-butene
CH
CH3
"L
3
I
CH]-(;=C--Lf- 3 '2,
CH)
I
of
g
2..1
I
hexerie
- :>l
CH
j
<)
<."
CHz-CH)
o
What happens when there is more than one double bond or more
than one ring? Try to draw a condensed structural diagram for each of
the following compounds.
~Ia}
propadiene
@
(b)
Z-methyl-1.3-butadiene
(c) 1.3 .5-cyclohep~atr_iene
(d)
cyclopen
t ylcyclohexane
et)
b)
01- c. ~ i
c*:.
C\\--=cl~3
9.
Name each compound
[a]
16.
CH]-CH2-CH2-CH]
Which combinations
of the following structural
diagrams represent
true isomers of C&H14
7
VVhich structural
diagrams represent
the
same isomer?
CH)
(a)
CH3-
I
CH-
CH-
CH3
I
CH3
10. For each structural
name and identify
diagram, write the lUPAC
the type of aliphatic
compound.
lal
'?~($-~ d~3
c~ ~C ~~
Zl. Draw
a condensed
structural
each of these compounds.
diazram
o
for
Cl~3
la) methyl propane
l-ethyl-3-propylcyclopentane
.Ib)
Xlc) cis-3-methyl-3-heptene
Id) 3-buty 1-4-methyl
-l-octyne
(e) 4-ethyl-l-cyclooctene
22. la) Draw
"
I'
11.
Name
H
the following
"- C=C
/
CH3
isomers
fo~
structural
isomers
of C5HJ2.
of 2-heptene.
CH2-CH2-CH,-CH3
/
"-
-
H
b)
C\-\-3
\\C _~ .,c. - d\-L-Clt-;:d\:;::
~Cl1
'-';3
C \-\z,c..~"2. C~<:.C.J~·3
e.)
X