Q.

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.
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Consider the Arrhenius equation given below and mark the correct option.       k=Ae−Ea/RT