The multiple covalent bond in a molecule of 1-butene is a
(1) double covalent bond that has 6 shared electrons
(2) double covalent bond that has 4 shared electrons
(3) triple covalent bond that has 6 shared electrons
(4) triple covalent bond that has 4 shared electrons
(1) double covalent bond that has 6 shared electrons
(2) double covalent bond that has 4 shared electrons
(3) triple covalent bond that has 6 shared electrons
(4) triple covalent bond that has 4 shared electrons