1.

Consider the Arrhenius equation given below and mark the correct option. k="A e"^(-E_(a)//"RT")

Answer»

Rate CONSTANT increases exponentially with increasing activation energy and DECREASING temperature
Rate constant decreases exponentially with increasing activation energy and decreasing temperrature
Rate constant increases exponentially with decreasing activation energy and decreasing temperature
Rate constant increases exponentially with decreasing activation energy and increasing temperature

Solution :`K="A E"^(-E_(a)//"RT")`. As `E_(a)` increases, `-E_(a)//"RT"` decreases and so does k or conversely as `E_(a)` decreases, k will increase exponentially. As T increases, `E_(a)//"RT"` decreases or `-E_(a)//"RT"` increases and so does k.


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