A) \[{{k}_{2}}=4{{k}_{1}}\]
B) \[{{k}_{2}}=2{{k}_{1}}\]
C) \[{{k}_{2}}=0.25{{k}_{1}}\]
D) \[{{k}_{2}}=0.5{{k}_{1}}\]
Correct Answer: C
Solution :
Rate constant becomes double for every \[{{10}^{o}}\] rise in temperature. Hence, for \[{{20}^{o}}\] rise in temperature, rate constant will become four times. i.e., \[{{k}_{1}}=4{{k}_{2}}\] \[{{k}_{2}}=0.25{{k}_{1}}\]
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