The oxidation-reduction reaction between iron metal and aqueous permanganate ions in acidic solution is 16 H + ( aq ) + 5 Fe ( s ) + 2 MnO 4 − ( aq ) → 2 Mn 2 + ( aq ) + 5 Fe 2 + + 8 H 2 O ( l ) At some temperature, the reaction proceeds at such a rate that 1.00 millimole of H + is consumed in 2 minutes 33.8 seconds. What is the rate of this reaction in units of moles of each reactant per second and moles of each product per second? How do these answers differ from the answer in the previous problem?
The oxidation-reduction reaction between iron metal and aqueous permanganate ions in acidic solution is 16 H + ( aq ) + 5 Fe ( s ) + 2 MnO 4 − ( aq ) → 2 Mn 2 + ( aq ) + 5 Fe 2 + + 8 H 2 O ( l ) At some temperature, the reaction proceeds at such a rate that 1.00 millimole of H + is consumed in 2 minutes 33.8 seconds. What is the rate of this reaction in units of moles of each reactant per second and moles of each product per second? How do these answers differ from the answer in the previous problem?
Solution Summary: The author explains the rate of a reaction, which is defined as the speed by which the reaction is proceeding, and the stoichiometric coefficient of reactant.
The oxidation-reduction reaction between iron metal and aqueous permanganate ions in acidic solution is
16
H
+
(
aq
)
+
5
Fe
(
s
)
+
2
MnO
4
−
(
aq
)
→
2
Mn
2
+
(
aq
)
+
5
Fe
2
+
+
8
H
2
O
(
l
)
At some temperature, the reaction proceeds at such a rate that
1.00
millimole of
H
+
is consumed in
2
minutes
33.8
seconds. What is the rate of this reaction in units of moles of each reactant per second and moles of each product per second? How do these answers differ from the answer in the previous problem?
Definition Definition Chemical reactions involving both oxidation and reduction processes. During a redox reaction, electron transfer takes place in such a way that one chemical compound gets reduced and the other gets oxidized.
How many signals do you expect in the H NMR spectrum for this molecule?
Br Br
Write the answer below.
Also, in each of the drawing areas below is a copy of the molecule, with Hs shown. In each copy, one of the H atoms is colored red. Highlight in red all other H
atoms that would contribute to the same signal as the H already highlighted red
Note for advanced students: In this question, any multiplet is counted as one signal.
1
Number of signals in the 'H NMR spectrum.
For the molecule in the top drawing area, highlight in red any other H atoms that will contribute to
the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
Check
For the molecule in the bottom drawing area, highlight in red any other H atoms that will contribute
to the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
O
✓
No additional Hs to color in top
molecule
ง
No additional Hs to color in bottom…
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