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Question

In electrolysis:
  1. positive ions move toward the positive electrode and negative ions toward the negative electrode.
  2. positive ions move toward the negative electrode and negative ions toward the positive electrode.
  3. both ions move toward both the electrodes in equal amounts until they are balanced.
  4. none of the above

A
positive ions move toward the positive electrode and negative ions toward the negative electrode.
B
positive ions move toward the negative electrode and negative ions toward the positive electrode.
C
both ions move toward both the electrodes in equal amounts until they are balanced.
D
none of the above
Solution
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As unlike charges attract each other and like charges repel each other. Thus in electrolysis, positive ions move towards the negative electrode whereas negative ions move toward the positive electrode.Hence option B is correct.

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