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Determine the pH of a 0.2 M solution of ...

Determine the pH of a 0.2 M solution of pyridine `C_5H_5N. K_b= 1.5 xx 10^(-9)`

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The correct Answer is:
pH =9.239
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MOTION-IONIC EQUILIBRUIM-Exercise -3
  1. A buffer of pH 9.26 is made by dissolving x moles of ammonium sulphate...

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  2. 50 mL of 0.1 M NaOH is added to 75 mL of 0.1 M NH4Cl to make a basic b...

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  3. Determine the pH of a 0.2 M solution of pyridine C5H5N. Kb= 1.5 xx 10^...

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  4. Predict the effect of addition of pyridinium ion C5H5NH^+ on the posit...

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  5. Calculate the pH of 1.0 L of 0.10 M pyridine solution to which 0.3 mol...

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  6. Calculate the pH of a solution which results from the mixing of 50.0 m...

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  7. Calculate the pH of a solution made by mixing 50.0 ml of 0.2 M NH4Cl &...

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  8. For the indicator thymol blue, pH is 2.0 when half of the indicator is...

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  9. a. At what pH does indicator change colour if the indicator is a weak ...

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  10. What indicator should be used for the titration of 0.10 M KH2BO3 with ...

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  11. Bromothymol blue is an indicator with a K(a) value of 6xx10^(-5). What...

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  12. An acid-base indicator has a K(a) of 3.0 xx 10^(-5). The acid form of ...

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  13. Calculate OH^- concentration at the equivalent point when a solution o...

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  14. In a simple cubic, body-centred cubic and face-centred cubic structure...

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  15. Na and Mg crystallize in crystals of bcc and fcc form respectively and...

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  16. In the titration of a solution of a weak acid HX with NaOH, the pH is ...

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  17. The equivalent point in a titration of 40.0mL of a sodium of a weak mo...

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  18. A weak base (50.0 mL) was titrated with 0.1 M HCl. The pH of the solut...

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  19. A weak acid (50.0 mL) was titrated with 0.1 M NaOH. The pH values when...

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  20. CH3COOH (50 ml, 0.1 M) is titrated against 0.1 M NaOH solution. Calcul...

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