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Heat of neutralisation of CH3COOH((aq)) ...

Heat of neutralisation of `CH_3COOH_((aq))` with `NaOH_((aq))` is - 55.2kJ. What is heat of ionisation of `CH_3COOH` ? 

Text Solution

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The correct Answer is:
`2.1kJ mol^(-1)`
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Heat of neutralisation of CH_(3) COOH_((aq)) with NaOH _((aq)) is -55.2 kJ. What is heat of ionisation of CH _(3) COOH ?

HCN_((aq)) + NaOH_((aq)) to NaCN_((aq)) + H_2O_((l)) , DetlaH = -12.13 kJ . Calculate heat of ionisation of HCN.

Knowledge Check

  • Heat of neutralisation of H_2SO_4 with NaOH is - x KJ. Then the heat of ionisation of water is

    A
    `-x gt KJ`
    B
    `x KJ`
    C
    `gt x KJ`
    D
    `lt x KJ`

  • Enthalpy of neutralization is defined as the enthalpy change when 1 mole of acid/base is completely neutralized by base/acid in dilute solution. For strong acid and strong base neutralization net chemical change is H_((aq))^(+) + OH_((aq))^(-) rarr H_(2)O_((l)), Delta H_(r )^(0) -= - 55.84 kJ//mol If enthalpy of neutralization of CH_(3)COOH by NaoH is -49.86 kJ/mol then enthalpy of ionisation of CH_(3)COOH is

    A
    5.98 kJ/mol
    B
    `-5.98` kJ/mol
    C
    105.7 kJ/mol
    D
    none of these

  • Heat of formation of NaOH _((aq)) at 25^(@)C = - 470.7 KJ Heat of formation of OH _((aq)) ^(-) at 25 ^(@) C = -228.8KJ The standard heat of formation of sodium ions in aqueous solution from the above data is :

    A
    `-251.9KJ`
    B
    `241.9KJ`
    C
    `-241.9KJ`
    D
    `301.9KJ`

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    Same concentration of HCI and CH_3COOH produces

    HCN_((aq))+NaOH_((aq))to NaCN_((aq)) + H_(2)O_((1)), Delta H=-12.13 KJ Calculate heat of ionisation of HCN .

    HCN _((aq)) + NaOH _((aq)) to NaCN _((aq)) + H _(2) O_((l)) , Delta H =-12.13 KJ. Calculate heat of ionisation of HCN.

    Heats of ionisation of acetic acid and ammonium hydroxide are x kJ mol^(-1) and y kJ mol^(-1) . Heat of neutralisation of HCl and NaOH is z kJ mol^(-1) . Calculate the heat when acetic acid is neutralised with ammonium hydroxide. (z-(x+y)kJ mol^(-1))

    The standard heat of formation of sodium ions in a queous solution from the following data: Heat of formation of NaOH_((aq)) " at " 25^(@)C = -470.7KJ Heat of formation of OH_((aq))^(-)" at " 25^(@)C = -228.8 KJ is

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