Identify the rate-determining step in the electrophilic aromatic substitution of benzene.

What is the polyatamic ion of borate

Answer explain why it is not possible to deduce a complete order of reactivity.

Kp is the equilibrium constant for dissociation of the propionic acid dimer. what is the sign of the slope for a plot of the natural logarithm of kp vs. inverse temperature for this reaction?