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Statement-1 : Chemical equation H^(+)(aq...

Statement-1 : Chemical equation `H^(+)(aq) + OH^(-)(aq) rarr H_(2)O(I), Delta H = -X` kJ represents the enthalpy of formation of water
And
Statement-2 : `Delta H_("neutralisation")` of strong acid and strong base is constant.

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1

B

Statement-1 is True, Statement-2 is True, Statement-2 is Not a correct explanation for Statement-1

C

Statement-1 is True, Statement-2 is False

D

Statement-1 is False, Statement-2 is True

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • H_2+Cl_2 rarr 2HCl,Delta H =- 194 kJ. In this reaction, heat of formation of HCl in KJ is

    A
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    B
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    C
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    D
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    A
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    B
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    C
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    D
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  • From the following data, mark the option (s) where Delta H is correctlt written for the given reaction. Given H^(+)(aq) + OH^(-)(aq) rarr H_(2)O(l), Delta H = -57.3 kJ Delta H_("solution") of HA(g) = -70.7kJ/mol Delta H_("solution") of BOH(g) = 20kJ/mol Delta H_("ionization") of HA = 15 kJ/mol and BOH is a strong base Reaction Delta H_(r)(kJ//mol)

    A
    `HA(aq)+BOH(aq) rarr BA(aq)+H_(2)O - 42.3`
    B
    `HA(g) + BOH(g) rarr BA(aq)+H_(2)O -93.0`
    C
    `HA(g) rarr H^(+)(aq)+A^(-)(aq)-55.7`
    D
    `B^(+)(aq)+OH^(-)(aq) rarr BOH (aq) - 20.0`

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