[" Wdition of "HBr" on but- "2" -ene gives "],[" products."],[" Addition of HBr on but- "2" -ene follows "M],[" rule."]

Addition of HBr to but -1- ene yields

(A) Addition of HBr on but-2-ene gives two structural isomeric products (R) Addition of HBr on but-2-ene follows Markownikoff's rule.

A) Addition of HBr on 2-butene gives two isomeric products. R) Addition of HBr on 2-butene follows Markownikoff's rule.

A) Addition of HBr on 2-butene gives two isomeric products. R) Addition of HBr on 2-butene follows Markownikoff's rule.

The addition of Br_2 to ( E)-but-2-ene gives

The addition of Br_2 to ( E)-but-2-ene gives