Consider the Arrhenius equation given below and mark the correct option. k=Ae−Ea/RT
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a
Rate constant increases exponentially with increasing activation energy and decreasing temperature
b
Rate constant decreases exponentially with increasing activation energy and decreasing temperature
c
Rate constant increases exponentially with decreasing activation energy and decreasing temperature
d
Rate constant increases exponentially with decreasing activation energy and increasing temperature
answer is D.
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Detailed Solution
According to Arrhenius equation, k=Ae−Ea/RT k∝e−Ea⇒k∝e−1/T∝eTIt indicates that as activation energy decreases, rate constant increases and as temperature increases, rate of reaction increases.