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If the degree of ionization of water be ...

If the degree of ionization of water be `1.8xx10^(-9)` at `298 K`. Its ionization constant will be

A

`1.8xx10^(-16)`

B

`1xx10^(-14)`

C

`1xx10^(-16)`

D

`1.67xx10^(-14)`

Text Solution

Verified by Experts

The correct Answer is:
A
`K_(a)=(K_(W))/([H_(2)O])=(10^(-14))/(55.5)=1.8xx10^(-16)`
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Knowledge Check

  • If the degree of ionization of water be 1.8 xx 10^(-9) at 298K. Its ionization constant will be

    A
    `1.8 xx 10^(-16)`
    B
    `1 xx 10^(-14)`
    C
    `1 xx 10^(-16)`
    D
    `1.67 xx 10^(-14)`

  • If the degree of ionization of water is 1.8xx10^(-9) at 298K . Its ionization constant will be

    A
    `1.8xx10^(-16)`
    B
    `1xx10^(-14)`
    C
    `1xx10^(-16)`
    D
    `1.67xx10^(-14)`

  • The degree of ionization increases

    A
    with increase in concentration of the solution
    B
    on addition of excess of water to the solution
    C
    on decreasing the temperature of the solution
    D
    on stirring the solution vigorousoly.
    • A2Z-IONIC EQUILIBIUM-Section D - Chapter End Test
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    10. M(OH)(X) has K(SP) 4xx10^(-12) and solubility 10^(-4) M. The value of ...

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    14. The dissocication constant of a weak acid is 1.0xx10^(-5), the equilib...

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    15. The pH of 0.1 M solution of the following salts increases in the order

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    16. In the equilibrium A^(-)+H(2)OhArrHA+OH^(-)(K(a)=1.0xx10^(-5)). The de...

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    17. The sulphide ion concentration [S^(2-)] in saturated H(2)S solution is...

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    18. The K(sp) of CuS, Ag(2)S and HgS are 10^(-31), 10^(-44) and 10^(-54) r...

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    19. For a weak acid HA with dissociation constant 10^(-9), pOH of its 0.1 ...

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    20. The concentration of [H^(+)] and concentration of [OH^(-)] of a 0.1 aq...

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