A solution is formed by mixing 50.0 mL of 10.0 M NaX with 50.0 mL of 2.0 × 10 −3 M CuNO 3 . Assume that Cu + forms complex ions with X − as follows: Cu + ( a q ) + X − ( a q ) ⇌ C u X ( a q ) K 1 = 1.0 × 10 2 CuX ( a q ) + X − ( a q ) ⇌ C u X 2 − ( a q ) K 2 = 1.0 × 10 4 CuX 2 − ( a q ) + X − ( a q ) ⇌ C u X 3 2 − ( a q ) K 3 = 1.0 × 10 3 with an overall reaction Cu + ( a q ) + 3 X − ( a q ) ⇌ C u X 3 2 − ( a q ) K = 1.0 × 10 9 Calculate the following concentrations at equilibrium. a. Cux 3 2− b. CuX 2 − c. Cu +
A solution is formed by mixing 50.0 mL of 10.0 M NaX with 50.0 mL of 2.0 × 10 −3 M CuNO 3 . Assume that Cu + forms complex ions with X − as follows: Cu + ( a q ) + X − ( a q ) ⇌ C u X ( a q ) K 1 = 1.0 × 10 2 CuX ( a q ) + X − ( a q ) ⇌ C u X 2 − ( a q ) K 2 = 1.0 × 10 4 CuX 2 − ( a q ) + X − ( a q ) ⇌ C u X 3 2 − ( a q ) K 3 = 1.0 × 10 3 with an overall reaction Cu + ( a q ) + 3 X − ( a q ) ⇌ C u X 3 2 − ( a q ) K = 1.0 × 10 9 Calculate the following concentrations at equilibrium. a. Cux 3 2− b. CuX 2 − c. Cu +
A solution is formed by mixing 50.0 mL of 10.0 M NaX with 50.0 mL of 2.0 × 10−3M CuNO3. Assume that Cu+ forms complex ions with X− as follows:
Cu
+
(
a
q
)
+
X
−
(
a
q
)
⇌
C
u
X
(
a
q
)
K
1
=
1.0
×
10
2
CuX
(
a
q
)
+
X
−
(
a
q
)
⇌
C
u
X
2
−
(
a
q
)
K
2
=
1.0
×
10
4
CuX
2
−
(
a
q
)
+
X
−
(
a
q
)
⇌
C
u
X
3
2
−
(
a
q
)
K
3
=
1.0
×
10
3
with an overall reaction
Cu
+
(
a
q
)
+
3
X
−
(
a
q
)
⇌
C
u
X
3
2
−
(
a
q
)
K
=
1.0
×
10
9
Calculate the following concentrations at equilibrium.
5. Please draw in the blanks the missing transition states and the correlated products. Explicitly
display relevant absolute stereochemical configuration.
MeOH
I
OMe
H
Endo transition state,
dienophile approaching from the bottom of diene
+
H
ཎྞཾ ཌཱརཱ༔,_o
OMe
H
H
OMe
Endo transition state,
dienophile approaching from the top of diene or
from the bottom but horizontally flipped (draw one)
+
Exo transition state,
dienophile approaching from the top of diene or
from the bottom but horizontally flipped (draw one)
Exo transition state,
dienophile approaching from the top of diene or
from the bottom but horizontally flipped (draw one)
MeO H
H
MeO H
MeO H
MeO H
H
H
H
(1)
H
C.
C
C
.H
(2)
(3)
Cl
H
The ideal value for bond angle (1) is (Choose one)
and the ideal value for bond angle (3) is (Choose one)
degrees, the value for bond angle (2) is (Choose one) degrees,
degrees.
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