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The unit of specific conductivity is...

The unit of specific conductivity is

A

ohm `cm^(-1)`

B

ohm `cm^(-2)`

C

`ohm^(-1)` cm

D

`ohm^(-1)` `cm^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Specific conuctivity,
`k=1/Rxxl/a=1/(ohm)xx(cm)/(cm^2)=ohm^(-1)cm^(-1)`
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Assertion (A) : The ration of specific conductivity to the observed conductance does not depend upon the concentration of the solution taken in the conductivity cell. Reason (R) : Specific conductivity decreases with dilution whereas observed conductance increases with the dilution.

The unit of electrical conductivity is

Knowledge Check

  • The SI unit of specific conductivity is

    A
    `Omegacm^-1`
    B
    `Omegacm^-2`
    C
    `Omega^-1cm`
    D
    `Omega^-1cm`

  • Statements: (i) Unit of specific conductivity is ohm^(-1) cm^(-1) . (ii) Specific conductivity of strong electrolytes decreases on dilution. (iii) The amount of an ion discharged during electrolysis does not depend upon resistance. (iv) The unit of electrochemical equivalence is g/coulomb.

    A
    All are correct
    B
    All are wrong
    C
    Only (i), (ii) and (iv) are correct
    D
    Only (ii), (iii) and (iv) are correct

  • The unit of specific conductance is:

    A
    `"ohm"^(-1)`
    B
    `"ohm"^(-1) cm^(-1)`
    C
    `"ohm"^(-2) cm^(2) eq^(-1)`
    D
    `"ohm"^(-1) cm^(2)`

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