OXIDATION OF SUCROSE BY POTASSIUM PERMANGANATE. 
18. Temperature 15° ©. 
Sulphuric acid °58 N. 
sulphate ‘008 N. 
t n 
Le, 4-9 
Boy 9-3 
12 13°8 
16 16:0 
25 18°5 
x 20°] 
t 
an 377 
Pia Die 
Z,.13-1 
11 15-0 
16 16-8 
22 18-2 
19:5 
t n 
oa. Ey 
4 14:0 
8 16°5 
9 17:0 
12 18°6 
17 21-0 
22 21°6 
a 24:3 
The velocities of reaction for these experiments are 
a 
0033 
0066 
0082 
0101 
0113 
19, Temperature 15° C. 
sulphate ‘017 N. 
n 
4 67 
"0054 
-0067 
‘0081 
"0094 
"0104 
0113" 
20. Temperature 15° C. 
sulphate ‘034 N. 
x 
0052 
0066 
0069 
0079 
0093 
-0097 
0113 
(a— 2) 
“0731 
"0698 
‘0665 
-0649 
-0630 
0618 
Sulphuric acid ‘58 N. 
(a-2) 
‘0731 
‘0677 
°0664 
"0650 
-0637 
°0627 
0618 
Sulphuric acid ‘58 N.. 
(a - x) 
0731 
‘0679 
-0665 
"0662 
"0652 
-0638 
*0634 
‘0618 
(6 - x) 
-OL13 
“0080 
"0047 
"0031 
-0012 
(6 — 2) 
SOnslicy 
-0059 
"0046 
‘0032 
“0019 
“0009 
(6 —«) 
"0113 
0061 
0047 
‘0044 
"0034 
"0020 
0016 
compared in the following table :— 
Table G. 
Concentration of 
MnSO,,. 
“0000 
"0008 N. 
“004 
‘008 
‘017 
"034 
oP] 
9) 
9 
3) 
hy, 
"063 
073 
"082 
"090 
ky 
139 
129 
114 
"110 
"115 
hy 
‘153 
aula 
‘106 
‘097 
102 
‘088 
Manganese 
ks 
‘0000880: 
-000106 
"000119 
"000135 
Manganese 
ks 
"000185 
"000185 
"000168 
"000166 
"000175 
Manganese 
ks 
"000219 
‘000159 
"000152 
-000146 
"000152 
°000135 
Time taken (at 15° C.) to proceed. 
One-eighth. One-sixth. 
18 23 
10 1h 
4 5 
2 3 
1 Tez 
1 1°6 
Halfway. 
4] 
24 
12 
10 
9) 
5 
237 
