For a reaction, Ea=0 and K=4.2×105sec−1 at 300K, the value of K at 310K will be:
4.2×105sec−1
8.4×105sec−1
8.4×10−5sec−1
4.2×10−5sec−1
A
8.4×10−5sec−1
B
4.2×105sec−1
C
4.2×10−5sec−1
D
8.4×105sec−1
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Solution
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For any reaction, rate constant K can be written as K=A.e−EaRT
As, Ea=0, therefore, K will be independent on temperature as e−EaRT=1
Hence, the rate constant will be the same at 310 K as that of at 300 K.
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