Enthalpy of atomiation of C_(2)H_(6)(g)and C_(3)h_(8)(g) are 620 and 880 KJ mol^(-1) respectivelty. The C-C and C-H bond energies are respectively:

Enthalpy of atomiation of C_(2)H_(6)(g)and C_(3)h_(8)(g) are 620 and 8

1.	Enthalpy of atomiation of C_(2)H_(6)(g)and C_(3)h_(8)(g) are 620 and 880 KJ mol^(-1) respectivelty. The C-C and C-H bond energies are respectively:
Answer» `80and60KJMol^(-1)` `80 and 90KJ mol^(-1)` 70and 90KJ `mol^(-1)` `100and80 Kjmol^(-1)` ANSWER :b