A student recorded a polarogram of 2.0 mM Cd2+ solution and forget to add KCl solution. What type of error do you expect in his results?

A student recorded a polarogram of 2 0 mM Cd2+ solution...

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A. Only migration current will be observed

B. Only diffusion current will be observed

C. Both migration current as well as diffusion current will be observed

D. Both catalytic current as well as diffusion current will be observed

Answer: Option D

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A. decrease by a factor of 2

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