An addition reaction, in organic chemistry, is in its simplest terms an organic reaction where two or more molecules combine to form a larger one (the adduct). … An addition reaction is the reverse of an elimination reaction

What is addition reaction example?

Examples of addition reactions that are common in alkene include halogenation, hydration, hydrohalogenation, hydrogenation, and polymerization. Alkyne can undergo addition reaction to give an alkene or its derivative.

What is the difference between additive and synergistic effect?

Additive effects are when the sum of the effect equals the two individual chemical effects combined. … Synergistic effects are when the sum of the effect is more than the two individual chemical effects combined.