Biomedical Engineering Reference
In-Depth Information
At high concentration of oxidizing agent,
H
þ
½
k
0
½
2
To explain the observed kinetics, it has been postulated that, with hydrogen ions as
catalyst, normal unreacted H
3
PO
2
is transformed reversibly into an active form, the
nature of which is unknown. This intermediate then reacts with the oxidizing agent
to give H
3
PO
3
. Show that this scheme does explain the observed kinetics.
r
H
3
PO
3
¼
H
PO
3
6.7.
For the decomposition of ozone in an inert gas M, the rate expression is
3
2
½M
k
½
O
r
O
3
¼
k
0
½
3
Suggest a mechanism that is consistent with the above rate law.
½
O
2
½Mþ
O
6.8.
Suggest a mechanism that is consistent with the experimentally observed rate
expression for the following:
2
þ
/
;
r
¼
kC
A
C
B
A
B
A
B
2
6.9.
Show that the following scheme:
k
1
N
2
O
5
%
NO
2
þNO
3
$
k
1
k
2
O
2
þ
NO
3
$/
NO
$
k
3
2NO
2
Proposed by R. Ogg, J. Chem. Phys., 15, 337 (1947) is consistent with the observed firs-
order decomposition of N
2
O
5
.
NO
3
$ þ
NO
$/
6.10.
Describe the differences between FES and PSSH.
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