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Given : Enthalpy of ioinization of two a...

Given : Enthalpy of ioinization of two acids :
`triangleH^(@)(HCN)=45.2 KJ mol^(-)`
`triangleH^(@)(CH_(3)COOH)=2.1 KJ mol^(-)`
which relationshop for the two acids is true ?

A

`pK_(a)(HCN)=pK_(a)(CH_(3)COOH)`

B

`pK_(a)(HCN)gtpK_(a)(CH_(3)COOH)`

C

`pK_(a)(HCN)ltpK_(a)(CH_(3)COOH)`

D

`pK_(a)(HCN)=(45.2)/(2.1)pK_(a)(CH_(3)COOH)`

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NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Exercise
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  6. Given the two concentration of HCN (K(a)=10^(-9)) are 0.1 M and 0.001 ...

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  7. A 0.10 M solution of HF is 8.0% dissocaited What is the K(a)?

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  8. A weak base MOH of 0.1N concentration shows a pH value of 9 . What is ...

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  9. 0.01 M HA (aq.) is 2% dissociated, [OH^(-)] of solution is :

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  10. If degree of dissociation is 0.01 of decimolar solution of weak acid H...

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  11. What concentration of HCOO^(-) is present in a solution of weak of 0.0...

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  12. Chose the correct code {:(,"Column"-I , "Column"-II,), ((P), pK(b) "...

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  13. How much water must be added to 300 mL of a 0.2M solution of CH(3)COOH...

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  14. What is [NH(4)^(+)] in a solution that contain 0.02 M NH(3)(K(b)=1.8xx...

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  15. A hand book states that the solubility of RNH(2) (g) in water at 1 atm...

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  16. The [H^(+)] of a resulting solution that is 0.01 M acetic acid (K(a)=1...

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  17. 6.0 g weak acid HA (mol.mass=60 g/mol.) is dissolved in water and form...

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  18. Carbonic acid (H(2)CO(3)), a diprotic acid has K(a1)=4.0xx10^(-7) and ...

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  19. Carbonic acid (H(2)CO(3)), a diprotic acid has K(a1)=4.0xx10^(-7) and ...

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  20. Selenious acid (H(2)SeO(3)), a diprotic acid has K(a1)=3.0xx10^(-3) an...

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