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Enthalpy of atomization of C(2)H(6)(g) a...

Enthalpy of atomization of `C_(2)H_(6)(g) and C_(3)H_(8)(g)` are 620 and `880kJmol^(-1)` respectively. The C-C and C-H bond energies are respectively

A

80 and 60 kJ `mol^(-1)`

B

80 and 90 kJ `mol^(-1)`

C

70 and 90 kJ `mol^(-1)`

D

200 and 80 kJ `mol^(-1)

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The molar enthalpies of combustion of C_(2)H_(2)(g), C("graphite") and H_(2)(g) are -1300,-394 , and -286 kJ mol^(-1) , respectively. The standard enthalpy of formation of C_(2)H_(2)(g) is

The enthalpies of combustion of C_(2)H_(2)(g) and C(2)H_(6)(g) are -1301 kJ and -1561.5 kJ respectively. The enthalpy of formation of liquid water is -286 kJ. Calculate the enthalpy change for the reaction : C_(2)H_(2)(g) + 2H_(2)(g) to C_(2)H_(2)(g) .

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  • Enthalpy of atomization of C_(2)H_(6) (g) and C_(3)H_(8) (g) are 620 and 880 kJ "mol"^(-1) respectively. The C-C and C-H. bond energies are respectively.

    A
    80 and 60 `"kJ mol"^(-1)`
    B
    80 and 90 `"kJ mol"^(-1)`
    C
    70 and 90 `"kJ mol"^(-1)`
    D
    200 and 80 `"kJ mol"^(-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:

    A
    `80and60KJMol^(-1)`
    B
    `80 and 90KJ mol^(-1)`
    C
    70and 90KJ `mol^(-1)`
    D
    `100and80 Kjmol^(-1)`

  • If enthalpy of dissociation of CH_(4) and C_(2)H_(6) are 320 and 360 calories respectively then bond energy of C-C bond is:

    A
    `80 cal`
    B
    `40 cal`
    C
    `60 cal`
    D
    `120 cal`

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    If enthalpies of formation of C_(2)H_(4)(g)1 and H_(2)O(l) at 25(@)C and 1 atm pressure be 52,-394 and -286kJmol^(-1) respectively ,the enthalpy of combustion of C_(2)H_(4)(g) will be

    The dissociation energy of CH_(4)(g) is 360 kcal mol^(-1) and that of C_(2)H_(6)(g) is 620 kcal mol^(-1) . The C-C bond energy

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