Considering the Relative Solvation of Reactants and the Transition States $\rightarrow$

Multiple Choice

Considering the relative solvation of reactants and the transition states of substitution reactions of these reactants,predict which general type of reaction would be most favored by the use of a polar solvent.

A) Y: + RX $\rightarrow$ RY⁺ + X:^-
B) Y:^- + RX $\rightarrow$ RY + X:^-
C) Y: + RX⁺ $\rightarrow$ RY⁺ + X:
D) Y:^- + RX⁺ $\rightarrow$ RY + X:
E) RX⁺ $\rightarrow$ R⁺ + X: