Reaction intermediate of `EicB` reaction is `:`

Geometry of reaction intermediate in S_(N)1 reaction is

Geometry of reaction intermediate in S_(N^(1)) reaction is

Choose the most reasonable reaction intermediate for the following reaction.

Reaction intermediate formed in the formation of salicylaldehyde from phenol (Reimer-Tiemann reaction) is

What is the reaction intermediate in a nitration process ?

Consider the following reaction The reactive intermediate invovled in this reaction is

Consider the following reaction The reactive intermediate invovled in this reaction is

Phenol on reaction with CHCl_(3) and NaOH give salicylaldehyde. Intermediate of this reaction is