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Heat of neutralisation of HF is :...

Heat of neutralisation of `HF` is `:`

A

57.32 kJ

B

`gt 57.32`

C

`lt 57.32`

D

None

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The correct Answer is:
B
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Heat of neutralisation of an acid is the amount of heat evolved when …………..of………………..is neutralised by…………..of the……………… .

Heat of neuralisation is amount of heat evolved or absorbed when 1g- equivalent of an acid reacts with 1g- equivalent of a base in dilute solution . If weak acid or weak bae are neutralised, the heat released during neutralisation is somewhat lesser than -13.7kcal or -57.27 kJ . Het of neutralisation is also referred as heat of formation of water from H^(+) and OH^(-) ions i.e., H^(+)+OH^(-) rarr H_(2)O, DeltaH=-13.7kcal. Heat of neutralisatio of HF and acetic acid respectively are ( in kcal):

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The heat of neutralisation of HCI with NaOH is same as that of HNO_(3) with KOH .

heat of neutralisation of HCl against NaOH is 13.7 kcal eq^(-1) what will be the ionisation energy of CH_(3)COOH in kcal mol^(-1) if its heat of neutralisation is 11.7 kcal eq^(-1) .

Heat of neutralisation of NaOH and HCl is -57.46 kJ // equivalent. The heat of ionisation of water in kJ //mol is :

The heats of neutralisation of four acids a , b , c and d when neutralised against a common base are 13.7 , 9.4 , 11.2 and 12.4 kcal respectively. The weakest among these acids is

33.Heat of neutralisation of weak acid with strong base is "-50kJ" and weak acid, weak base is "-41.4kJ" .Then A) heat of ionisation of weak acid "7.4kJ/mole B) heat of strong acid and strong base neutralisation is- "57.4kJ C) heat of ionisation of weak base is "16kJ/mole D) heat of ionisation of weak base is "8.6kJ/mole

MOTION-THERMOCHEMISTRY -EXERCISE - 2 (LEVEL - I)
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  12. The heat of neutralisation is constant when dilute solution of

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  13. How much heat is liberated when 100 mL of 0.1 M NaOH are completely ...

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  14. Heat of neutralisation of HF is :

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  15. How many kcal of heat is evolved by the complete neutralisation of one...

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  16. Heat of neutralisation of NaOH and HCl is -57.46 kJ // equivalent. The...

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  17. 50.0 mL of 0.10 M HCl is mixed with 50.0 mL of 0.10 M NaOH. The soluti...

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  18. The enthalpy of neutralisation of a weak acid in 1 M solution with a s...

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  19. The enthalpy of neutralization of NH(4)OH and CH(3)COOH is – 10.5 kcal...

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  20. The heat produced by complete neutralisation of 100 ml of HNO(3) with ...

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