<Dl> <Dd> 2 Cl O → 2 Cl + 7 O (ΔH = − 135 kJ / mol) </Dd> </Dl> <Dd> 2 Cl O → 2 Cl + 7 O (ΔH = − 135 kJ / mol) </Dd> <P> Cl O is bent with Cl − O − Cl angle of 118.6 ° giving the molecule C symmetry . The terminal Cl − O distances are 1.709 Å and the Cl =O distances are 1.405 Å . In this compound, chlorine exists in its highest formal oxidation state of + 7, although the bonding in this molecule is significantly covalent . </P> <P> Dichlorine heptoxide reacts with primary and secondary amines in carbon tetrachloride solution to yield N - perchloryls: </P>

What is the oxidation state of cl in cl2o7