Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) The enthalpy of combustion of `H_2(g)` at 298 K to give `H_2O` is –298 kJ mol–1 and bond enthalpies of H—H and O = O are 433 kJ `mol^(–1)` and 492 kJ `mol^(–1)`, respectively. The bond enthalpies of O—H is - Sarthaks eConnect

The enthalpy of combustion of `H_2(g)` at 298 K to give `H_2O` is –298 kJ mol–1 and bond enthalpies of H—H and O = O are 433 kJ `mol^(–1)` and 492 kJ `mol^(–1)`, respectively. The bond enthalpies of O—H is

The enthalpy of combustion of `H_2(g)` at 298 K to give `H_2O` is –298 kJ mol–1 and bond enthalpies of H—H and O = O are 433 kJ `mol^(–1)` and 492 kJ `mol^(–1)`, respectively. The bond enthalpies of O—H is

A.

`464 kJ mol^-1`

B.

`488.5 kJ mol^-1`

C.

`232 kJ mol^-1`

D.

`-232 kJ mol^-1`