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Calculate the pH at which an acid indica...

Calculate the pH at which an acid indicator with `K_(a), = 1.0 xx 10^(-5)` changes colour when the indicator concentration is `1.0 xx 10^(-3)` M

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Verified by Experts

The correct Answer is:
5
` pH =P^(KIn) = - log KIn =-log 10 ^(_5) = 5`
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AAKASH SERIES-IONIC EQUILIBRIUM -LECTURE SHEET (EXERCISE -IV LEVEL -II (ADVANCED) (Integer Type Questions))
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  2. The K, of an indicator HIn is 9 x 10^(4), The percentage of the basic ...

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  3. K(sp) of M(OH)(x), is 27 xx 10^(-12) and its solubility in water is 10...

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  4. Solubility products of ACO(3), BSO(4), and ASO(4), are 4 xx 10^(-10), ...

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  5. The solubility product of a springly soluble metal hydroxide [M(OH)2] ...

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  6. The solubility product of SrF(2) in water is 8xx10^(-10) Calculate it...

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  7. Few drops of dilute solution of AgNO3 are added to a litre of 0.1 M so...

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  8. A saturated 0.01 M H(2) S solution is buffered at pH =3 with exactly s...

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  9. Calculate the concentration of free silver ion [Ag^(+) ] in an aqueous...

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  10. Calculate the pH at which an acid indicator with Ka =1.0 xx 10^(-5) ch...

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  11. The K, of an indicator HIn is 9 x 10^(4), The percentage of the basic ...

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  12. K(sp) of M(OH)(x), is 27 xx 10^(-12) and its solubility in water is 10...

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  13. Solubility products of ACO3 , BSO4 and ASO4 are 4xx10^(-10) , 6xx 10^...

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  14. The solubility product of a springly soluble metal hydroxide [M(OH)2] ...

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  15. The solubility product of SrF(2) in water is 8xx10^(-10) Calculate it...

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  16. Few drops of dilute solution of AgNO3 are added to a litre of 0.1 M so...

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  17. A saturated 0.01 M H(2) S solution is buffered at pH =3 with exactly s...

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  18. Calculate the concentration of free silver ion [Ag^(+) ] in an aqueous...

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