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  • A solution of  is electrolysed between platinium electrodes using 1 farada

A solution of Ni(NO_{3})_{2} is electrolysed between platinium electrodes using 1 faraday electricity. How many mole of Ni will be deposited at the cathode?

Option: 1

0.5


Option: 2

0.05


Option: 3

1


Option: 4

0.25


Answers (1)

best_answer

 

\\\mathrm{\\The \:\:reaction \:\:\::\:\:Ni(NO_{3})_{2}\rightarrow Ni^{2+}+2NO_{3}^{-}} \\\\\ \mathrm{at\:\:cathode \:\:\::Ni^{2+}+2e^{-}\rightarrow Ni}
\begin{array}{l}\mathrm{2 \text { mole of } e^{-} \text {are required for } 1 \text { mole of } Ni } \\\\ {\therefore \ \ 0.5 \text { mole of Ni is deposited by 1 mole of electron}}\end{array}
Therefore,option(1) is correct

Posted by

Ritika Harsh

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