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What happens to the pH if a few drops of...

What happens to the `pH` if a few drops of acid are added to the `CH_(3)COOH` solution?

Text Solution

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pH will remain almost constant (being a buffer solution).
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A few drops of sulphuric acid are added to water before electrolysis. Why ?

The pH of a buffer solution containing 0.1 M CH_3COOH and 0.1 M CH_3COONa is 4.74. What will be the pH if 0.05 mole of HCl is added to one litre of this buffer solution? K_a(CH_3COOH) = 1.8xx10^(-5).

Knowledge Check

  • When CH_3COONa is added to aqueous CH_3COOH solution

    A
    pH will decrease
    B
    pH will increase
    C
    pH remains unchanged
    D
    pH value becomes zero

  • When CH_3COONa is added to aqueous CH_3COOH solution

    A
    pH will decrease
    B
    pH will increase
    C
    pH remains unchanged
    D
    pH value becomes zero

  • What amount of solid acetate should be added into 1 litre of the 0.1 M CH_(3)COOH solution so that the resulting solution has pH almost equal to pK_(a) (CH_(3)COOH) = 4.74 .

    A
    `12 gm`
    B
    `5 gm`
    C
    `10 gm `
    D
    `14.924 gm`

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    What is the nature of CH_(3)COOH in conc. HCl solution ?

    What is the pH of the solution when 0.2 mole of hydrochloric acid is added to one litre of a solution containing 1 M acetic acid and acetate ion ? Assume that the total volume is one litre . K_(a) for CH_(3)COOH =1.8 xx 10^(-5) .

    When one drop of a concentrated HCl solution is added to one litre of pure water at 25^@C, the pH drops suddenly from 7 to about 4. When the second drop of the same acid is added, the pH of the solution further drops to about

    Which of the following solutions added to 1L of a 0.01 M CH_(3)COOH solution will cause no change in the degree of dissociation of CH_(3)COOH and pH of the solution ? (K_(a)=1.6xx10^(-5) for CH_(3)COOH)

    When CH_(3)COONa is added to an aqueous solution of CH_(3)COOH

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