Types OF R-Effect (+R, -R, both Group Identification)

Mesomeric Effect || +M and -M Groups Identification || +I and -I Groups Identification

Mesomeric Effect (±M, ±R)

Types OF Mesomeric Effect or Resonance Effect|| Identification OF +R, -R, both +R and - R Group

Assertion: m- Methoxyphenol is a stronger acid than p -methoxyphenol. Reason: Methoxy group exerts +R -effect at both o -and p- positions.

what is the R group in glycine?

Effect of thyroxine on B.M.R is

In the following questions, a statement of assertion (A) is following by a statement of reason (R ) A : Halogen is deactivating group due to -I effect. R: Halogen is ortho -para directing due to +M effect .