Question

Which of the following is made up of a coordinate covalent bond?

A.sodium chloride (NaCl)
B.ammonia (NH3)
C.chlorine (Cl2)
D.aluminium bromide (AlBr3)
E.carbon monoxide (CO)

Answer 1

The correct option is E

Coordinate covalent bond is a type of covalent bond. A coordinate covalent bond is formed when a pair of shared electron comes from a single element. The pair of shared electron are held together by the force of the nucleus of the atom. This type of covalent bond is observed in carbon monoxide.

Answer 2

carbon monoxide (CO) is made up of a coordinate covalent bond
coordinate covalent bond is formed when both electrons forming the bonding pair of electrons are provided by the same atom