The covalent bond involving 12 bonding electrons is a
-
delta bond
-
quadruple bond
-
quintuple bond
-
Sextuple bond
D
Correct answer
Explanation
A sextuple bond is a type of covalent bond involving 12 bonding electrons and in which the bond order is 6. The only known molecules with true sextuple bonds are the diatomic dimolybdenum (Mo2) and ditungsten (W2), which exist in the gaseous phase.