Home
Class 11
CHEMISTRY
The enthalpy of neutraliztion of weak ba...

The enthalpy of neutraliztion of weak base A OH and a strong base BOH by HCl are -12250 cal/mol and -13000 cal/mol respectively . When one mole of HCl is added to a solution containting 1 mole of A OH and 1 mole of BOH , the enthalpy change was -12500 cal/mol . In what ratio is the acid distribution between A OH and BOH?

A

`2 : 1`

B

`2 : 3`

C

`1 : 2`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
`-12250x-13000(1-x)=-12500`
`750 x = 500 implies x=2//3" and "y = 1//3`
So, `" "(x)/(y)=(2)/(1)`
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    NARENDRA AWASTHI|Exercise Level 1 (Q.1 To Q.30)|6 Videos

  • THERMODYNAMICS

    NARENDRA AWASTHI|Exercise Level 1 (Q.31 To Q.60)|2 Videos

  • STOICHIOMETRY

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|20 Videos

Similar Questions

Explore conceptually related problems

The enthalpies of neutralization of a weak acid HA & a weak acid HB by NaOH are -6900 Cal/equivalent & -2900 Cal/equivalent repsectively. When one equivalent of NaOH is added to a solution containing one equivalent of HB, the enthalpy change was -3900 Calories. In what ratio is the base distribute between HA & HB ?

The enthalpies of neutralisation of a string acid HA and a weaker acid HB by NaOH are -13.7 and -12.7 kcal Eq^(-1) , respectively. When one equivalent of NaOH is added to a mixture containing one equivalent of HA and HB , the enthalpy change was -13.5kcal . In what ratio is the base distributed between HA and HB ?

The enthalpy of neutralization of three weak bases BOH , B'OH and B"OH are -40.08 , -36.62 and -51.82kj//gram- equilvalent with HCl. The correct order of their basec srength is :-

The enthalpy of neutralization of HNO_(3) by NaOH=-13680 cal//eqt. When one equivalent of NaOH is added to a dilute solution containing one equivalent of HNO_(3) and one equivalent of a certain monoprotic weak acid 13960 cals are evolved. Assume that the base is distributed between HNO_(3) and the weak acid in the ratio 3:1 and the weak acid is practically nonionized. Calculate the enthalpy of ionization of the weak acid.

The heat of neutralisation of strong base and strong acid is 57.0kJ/mol. The heat released when 0.5 mole of HNO_(3) is added to 0.20 mole of NaOH solution is

The standard enthalpy of neutralization of KOH with HCN in dilute solution is -2480 cal.mol^(-1) and -13.68 kcalmol^(-1) respectively. Find the enthalpy of dissocitation of HCN at the same temperature.