A) \[{{k}_{2}}=0.25{{k}_{1}}\]
B) \[{{k}_{2}}=0.5{{k}_{1}}\]
C) \[{{k}_{2}}=2{{k}_{1}}\]
D) \[{{k}_{2}}=4{{k}_{1}}\]
Correct Answer: A
Solution :
For every\[10{}^\circ C\]rise in temperature, rate constant is doubled. Hence, for\[20{}^\circ C\]rise in temperature, rate constant will become 4 times. \[{{k}_{1}}-4{{k}_{2}}\]or\[{{k}_{2}}=0.25{{k}_{1}}\]
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