C C I 4 , an important commercial solvent, is prepared by the reaction of C I 2 ( g ) with a carbon compound. Determine Δ r H ° for the reaction C S 2 ( I ) + 3 C I 2 ( g ) → C C I 4 ( I ) + S 2 C I ( I ) Use appropriate data from the following listing. C S 2 ( I ) + 3 O 2 ( g ) → C O 2 ( g ) + 2 S O 2 ( g ) Δ r H ° = − 1077 k J m o l − 1 2 S ( s ) + C I 2 ( g ) → S 2 C I 2 ( I ) Δ r H ° = − 1077 k J m o l − 1 C ( s ) + 2 C I 2 ( g ) → C C I 4 ( I ) Δ r H ° = − 135.4 k J m o l − 1 S ( s ) + O 2 ( g ) → S O 2 ( g ) Δ r H ° = − 296.8 k J m o l − 1 S O 2 ( s ) + C I 2 ( g ) → S O 2 C I 2 ( I ) Δ r H ° = + 97.3 k J m o l − 1 C S ( s ) + O 2 ( g ) → C O 2 ( g ) Δ r H ° = − 393.5 k J m o l − 1 C C I 4 ( I ) + O 2 ( g ) → C O C I 2 ( g ) + C I 2 O ( g ) Δ r H ° = − 5.2 k J m o l − 1
C C I 4 , an important commercial solvent, is prepared by the reaction of C I 2 ( g ) with a carbon compound. Determine Δ r H ° for the reaction C S 2 ( I ) + 3 C I 2 ( g ) → C C I 4 ( I ) + S 2 C I ( I ) Use appropriate data from the following listing. C S 2 ( I ) + 3 O 2 ( g ) → C O 2 ( g ) + 2 S O 2 ( g ) Δ r H ° = − 1077 k J m o l − 1 2 S ( s ) + C I 2 ( g ) → S 2 C I 2 ( I ) Δ r H ° = − 1077 k J m o l − 1 C ( s ) + 2 C I 2 ( g ) → C C I 4 ( I ) Δ r H ° = − 135.4 k J m o l − 1 S ( s ) + O 2 ( g ) → S O 2 ( g ) Δ r H ° = − 296.8 k J m o l − 1 S O 2 ( s ) + C I 2 ( g ) → S O 2 C I 2 ( I ) Δ r H ° = + 97.3 k J m o l − 1 C S ( s ) + O 2 ( g ) → C O 2 ( g ) Δ r H ° = − 393.5 k J m o l − 1 C C I 4 ( I ) + O 2 ( g ) → C O C I 2 ( g ) + C I 2 O ( g ) Δ r H ° = − 5.2 k J m o l − 1
Solution Summary: The author determines the standard enthalpy of reaction of production of carbon tetrachloride (CCl 4 ), an important solvent, from chlorine and carbon disulphide.
C
C
I
4
, an important commercial solvent, is prepared by the reaction of
C
I
2
(
g
)
with a carbon compound. Determine
Δ
r
H
°
for the reaction
C
S
2
(
I
)
+
3
C
I
2
(
g
)
→
C
C
I
4
(
I
)
+
S
2
C
I
(
I
)
Use appropriate data from the following listing.
C
S
2
(
I
)
+
3
O
2
(
g
)
→
C
O
2
(
g
)
+
2
S
O
2
(
g
)
Δ
r
H
°
=
−
1077
k
J
m
o
l
−
1
2
S
(
s
)
+
C
I
2
(
g
)
→
S
2
C
I
2
(
I
)
Δ
r
H
°
=
−
1077
k
J
m
o
l
−
1
C
(
s
)
+
2
C
I
2
(
g
)
→
C
C
I
4
(
I
)
Δ
r
H
°
=
−
135.4
k
J
m
o
l
−
1
S
(
s
)
+
O
2
(
g
)
→
S
O
2
(
g
)
Δ
r
H
°
=
−
296.8
k
J
m
o
l
−
1
S
O
2
(
s
)
+
C
I
2
(
g
)
→
S
O
2
C
I
2
(
I
)
Δ
r
H
°
=
+
97.3
k
J
m
o
l
−
1
C
S
(
s
)
+
O
2
(
g
)
→
C
O
2
(
g
)
Δ
r
H
°
=
−
393.5
k
J
m
o
l
−
1
C
C
I
4
(
I
)
+
O
2
(
g
)
→
C
O
C
I
2
(
g
)
+
C
I
2
O
(
g
)
Δ
r
H
°
=
−
5.2
k
J
m
o
l
−
1
- Rank the following groups of compounds from most acidic (1) to least acidic (4). Place the number
corresponding to the compound's relative rank in the blank below the structure.
a.
NO₂
NO₂
CH2CH2CH2CH2OH
CH3 CH3CH2CHOH
CH3CH2CH2CH2OH
NO₂
CH3CHCH2CH2OH
b.
OH
OH
CH₂OH
CO₂H
HC
CN
CN
CN
Give the major organic product(s) of the following reactions or sequences of reactions. Show all
relevant stereochemistry
a.
H
MgBr
1. ether
2. H₂O*
4
COH
b.
1. LIAIH, ether
2. H₂O
Choose the best reagent(s) for carrying out the following conversions from the list provided below.
Place the letter of the best choice in the blank to the left of the conversion. Reagents may be used
more than once.
a. 1.
CH3MgBr, ether
2. H3O+
NaOH
b. 1.
PBr3
2.
C.
2.
1. (CH3)3SiCl, (CH3CH2)3N
CH3MgBr, ether
3. H₂O*+
2. H3O+
e. 1. p-TosCl, pyridine
f.
نها
g.
2. NaOH
CrO3, H₂SO4, H₂O
1.
NaBH4, ethanol
2. H30*
h. PCC, CH2Cl2
Ovoldo-6
a.
b.
OH
OH
H
OH
O
any organic
Determine the rate law for sodium thiosulfate from the following data:
[Na2S2O3] Time (s)
0.0318 230.
0.0636 57.5
Chapter 7 Solutions
General Chemistry: Principles and Modern Applications (11th Edition)
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