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Introduction to Qualitative Analysis

What is the v...

Question

What is the value of the enthalpy of neutralization for all strong acids and bases?

A

-1 kJ

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B

57.1 kJ

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C

1 kJ

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D

-57.1 kJ

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Solution

The correct option is D
-57.1 kJ

The enthalpy of neutralization of all strong acids and strong bases is always constant i.e -57.1 kJ.

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Similar questions

Q. Assertion :The value of enthalpy of neutralisation of weak acid and strong base is always numerically less than

57.1 k J

. Reason: All the

{O H}^{-}

ions furnished by

1

gram equivalent of strong base are not completely neutralized.

Q. The enthalpy of neutralization of a weak acid in

1 M

solution with a strong base is

- 56.1 k J m o l^{- 1}

. If the enthalpy of ionization of the acid is

1.5 k J m o l^{- 1}

and enthalpy of neutralization of the strong acid with a strong base is

- 57.3 k J e q u i v^{- 1}

, what is % ionization of the weak acid in molar solution (assume the acid to be monobasic)?

Q. The enthalpy formation of

H_{2} O (l)

- 285.7

m o l^{- 1}

and enthalpy of neutralization of strong acid and base is

- 57.6

m o l^{- 1}

. what is the enthalpy of formation of

O H^{- 1}

Q. The enthalpy of neutralization of a weak monoprotic acid (

H A

1 M

solution with a strong base is

- 55.95 k J / m o l .

If the unionized acid requires

1.4 k J / m o l

heat for its complete ionization and enthalpy of neutralization of the strong monobasic acid with a strong monoacidic base is

- 57.3 k J / m o l .

What is the % ionization of the weak acid in molar solution?

Q. The enthalpy of neutralisation of strong acid by a strong base is

- 57.32 k J m o l^{- 1}

. The enthalpy of formation of water is

- 285.84 k J m o l^{- 1}

. The enthalpy of formation of hydroxyl ion is :

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