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ionic mobilities

ionic mobilities


3 Answers

Chetan Mandayam Nayakar
312 Points
9 years ago

Dear Chary,

The ionic mobility (μ) is defined as the velocity attained by an ion moving through a gas under unit electric field

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Askiitians Experts


Ashwin Muralidharan IIT Madras
290 Points
9 years ago

Hi Sreesailam,


Electrical mobility is the ability of charged particles (such as electrons or protons) to move through a medium in response to an electric field that is pulling them. The separation of ions according to their mobility in gas phase is called Ionic mobility.


When a charged particle in a gas or liquid is acted upon by a uniform electric field, it will be accelerated until it reaches a constant drift velocity according to the formula:

\,v_d = \mu E


  • \, v_d is the drift velocity (m/s)
  • \, E is the magnitude of the applied electric field (V/m)
  • \, \mu is the ionic mobility (m2/(V.s)).....


That's the concept of Ionic Mobility.


Best Regards,

Ashwin (IIT Madras).

basit ali
41 Points
9 years ago

MOBILITY means ability or tendency to move . When  an  ion simply attend the tendency to move by the attraction or repulsion then it is called the ionic mobility. 

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