Indicate the molecules that have 1 π-bond 1) methylamine; 2) methanol 3) methyl formate;

Indicate the molecules that have 1 π-bond 1) methylamine; 2) methanol 3) methyl formate; 4) methyl acetylene; 5) ethylene.

Pi-bond (π-bond) – a covalent bond formed by overlapping atomic p – orbitals. In contrast to the sigma bond, which is carried out by overlapping s-orbitals along the line of atomic connection, pi-bonds arise when p-orbitals overlap on both sides of the atomic connection line. It is believed that a pi bond is realized in multiple bonds — a double bond consists of one sigma and one pi bond, a triple bond consists of one sigma and two orthogonal pi bonds.

Of the listed answer options, pi – bonds are methyl formate, methyl acetylene and ethylene.