Question

what are +R and - R effects ?​

Answer 1

Answer:

+R effect: The +R effect or positive resonance effect is expressed by the electron donating groups (for eg. –NH2, -OH, -OR etc) which release electrons or donate electrons to the rest of the molecule by delocalization of electrons within the molecule

Answer 2

Answer:

positive and negative relations are not

Explanation:

+Rand -R is integers