Redox Reactions And Electrochemistry Question 165

Question: Charge required to liberate 11.5 g sodium is [AIIMS 1992; DCE 2002]

Options:

A) 0.5 F

B) 0.1 F

C) 1.5 F

D) 96500 coulombs

Show Answer

Answer:

Correct Answer: A

Solution:

$ N{a^{+}}+{e^{-}}\to Na $ Charge (in F) = moles of e- used = moles of Na deposited $ =\frac{11.5}{23}\ gm=0.5 $ Faraday.



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