i. Temperature is the correct answer.
Rate of reaction is the speed on which reactions are converted to products. Its unit is molar/second. Svante Arrhenius in 1889 produced an equation that mathematically connected temperature and a reaction's rate constant. The Arrhenius Equation was the name given to the proposed equation.
k=Ae[tex]\frac{-Ea}{RT}[/tex]
where
Ea= Activation Energy for the reaction
R= Universal Gas Constant
T= Temperature in absolute scale (in kelvins)
k= rate constant of the reaction
A= Arrhenius Constant
The rate of reaction is directly proportional to temperature which means that rate of reaction increases in temperature and vice versa.
k ∝ T
Arrhenius equation clearly indicates the relation between rate of reaction and temperature.
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