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Assertion (A): Heat of neutralisation fo...

Assertion (A): Heat of neutralisation for both `HNO_(3)` and `HCI` with `NaOH` is `53.7 kJ per mol^(-1)`.
Reason (R ) : `NaOH` is a strong electrolyte/base.

A

If both (A) and (R ) are correct, and (R ) is the correct explanation for (A).

B

If the both (A) and (R ) are correct, but(R ) is not a correct explanation for (A).

C

If (A) is correct, but (R ) is incorrect.

D

If (A) is incorrect, but (R ) is correct.

Text Solution

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The heat of neutralisation for stron base is `-57.3 kJ mol^(-1)`
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Explain why heat of neutralisation of strong acid and weak base is less than 57.1 kJ .

Heat of neutralisation for the reaction: NaOH+HCl to NaCl+H_(2)O is 57.1 kJ mol^(-1) . The heat released when 0.25 mole of NaOH is titrated against 0.25 mole of HCl will be:

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