1.

A chemical reaction was carried out at 300 K and 280 K. The rate constants were found to be \[{{k}_{1}}\] and \[{{k}_{2}}\] respectively, then

A. \[{{k}_{2}}=4{{k}_{1}}\]    
B. \[{{k}_{2}}=2{{k}_{1}}\]
C. \[{{k}_{2}}=0.25\,{{k}_{1}}\]             
D. \[{{k}_{2}}=0.5{{k}_{1}}\]
Answer» D. \[{{k}_{2}}=0.5{{k}_{1}}\]


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