Question

Which of the following species can act as the strongest base?

• A. $- OH$
• B. $- OR$
• C. $- OC_{6}H_{5}$
• D.

Answer 1

Answer: (B)

$- OR$

Answer 2

Weakest acid has the strongest conjugate base since ROH is the weakest acid, therefore $RO^{-}$ is the strongest base.