> 
> Which of the following is the strongest base?
> 
> 
> 1. $\ce{LiOH}$
> 2. $\ce{CH3Li}$
> 3. $\ce{LiNH2}$
> 4. $\ce{LiF}$
> 
> 
> 

According to me the answer should be $\ce{LiF}$ as it has max number of lone pairs but the answer says its 2). I am confused.