1.

Explain bond dissociation enthalpy.

Answer»

Solution :It is defined as the changed in enthalpy when one mole of covalent bonds of a gaseous covalent compound is broken to FORM PRODUCTS in the gas phase.
`H_(2(G)) rarr 2H_((g)) "" Delta_(H - H) H^(@) = 435 kJ MOL^(-1)`.


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