Description : Compound which shows positive mesomeric effect:
Last Answer : Compound which shows positive mesomeric effect: A. `H_(2)C=CH-Cl` B. `C_(6)H_(5)-overset(+)N-Me_(3)` C. `H_(2)C=CH-CH_(2)Cl` D. `C_(6)H_(5)-CH=CHCl`
Description : In an alkyl halide substitution of hydrogen by deuterium results in slow formation of ion pair. This is known as? a. Ortho effect b. Mesomeric effect c. Secondary kinetic isotope effect d. Primary kinetic isotope effect
Last Answer : c. Secondary kinetic isotope effect