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Degree if dissociation is nearly equal t...

Degree if dissociation is nearly equal to 1 for

A

Strong acids and strong bases

B

Strong acids and weak bases

C

Weak acids and strong bases

D

Weak acids and weak bases

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The correct Answer is:
A
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The degree of dissociation alpha is equal to ……………

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In 1 litre volume reaction vessel, the equilibrium constant K_(c) of the reaction PCl_(5)hArrPCl_(3)+Cl_(2) is 2xx10^(-4)" lit"^(-1) . What will be the degree of dissociation assuming only a small of 1 mole of PCl_(5) has dissociated ?

Explain how the degree of dissociation of an electrolyte may be determined from the measurement of a colligative property.

The equilibrium for the dissociation of XY_(2) is given as, 2XY_(2)(g)hArr2XY(g)+Y_(2)(g) if the degree of dissociation x is so small compared to one. Show that 2K_(p)=PX^(3) where P is the total pressure and K_(P) is the dissociation equilibrium constant of XY_(2) .

Which one of the following formulae represents Ostwald’s dilution law for a binary electrolyte whose degree of dissociation is alpha and concentration C.

SURA PUBLICATION-IONIC EQUILIBRIUM-MCQs (ADDITIONAL QUESTIONS AND ANSWERS)
  1. Degree of dissociation alpha is

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  2. Addition of sodium chloride to a saturated solution of silver chloride...

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  3. pH of buffer depends upon concentration of

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  4. An example of basic buffer is

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  5. The buffer present in human blood is

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  6. Buffer index is

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  7. X(m)Y(n(s)) underset(H2O)(hArr) mX((aq))^(n+)+nY((aq))^(m-) solubili...

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  8. The condition for a compound to be precipitated is

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  9. Which among the following is incorrect regarding acid?

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  10. Degree if dissociation is nearly equal to 1 for

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  11. When sodium acetate is added acid, the degree of ionisation of acetic ...

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  12. NH4 OH is a weak base because

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  13. Which one of the following formula represents Ostwald's dilution law f...

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  14. Ostwald's dilution law is applicable in the case of the solution of

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  15. Which one of the following relationship is correct ?

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  16. When 10^(-6) mole of a monobasic strong acid is dissolved in one litre...

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  17. When pH of a solution is 2, the hydrogen ion concentration in moles "l...

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  18. The pH of a solution containing 0.1 N NaOH solution is

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  19. A solution which is resistant to changes of pH on addition of small a...

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  20. The hydrogen ion concentration of a buffer solution consisting of a we...

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