The Total solution for NCERT class 6-12
T/°C
0
20
40
60
80
0.0787
1.70
25.7
178
2140
Draw a graph between ln k and1/T and calculate the values of A and Ea.
From the given data, we obtain
T/K
273
293
313
333
353
3.66×10−3
3.41×10−3
3.19×10−3
3.0×10−3
2.83 ×10−3
ln k
−7.147
− 4.075
−1.359
−0.577
3.063