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The unit of ionic mobility are...

The unit of ionic mobility are

A

`cm^(2) "volt"^(-1)s^(-1)`

B

`cm^(-2) "volt"^(-2)s^(-1)`

C

`cm^(-1) "volt"^(-1)`

D

`cm^(2) "volt"^(-2)s^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
Mathematically
ionic mobility `= ("ionic velocity")/("potential gradient")`
`= ("ionic velocity (cm/s)")/("pot, difference (volt)/distance between the electrodes (cm)")`
Thus, the unit of ionic mobility is `cm^(2) "volt"^(-1)s^(-1)`
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