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  • A current of 15.0 A flows for 2.00 h through an electrolytic cell containing a molten salt of Metal X. This results in the decomposition of  <img alt="2.22 \mathrm{~mol}" src="h

A current of 15.0 A flows for 2.00 h through an electrolytic cell containing a molten salt of Metal X. This results in the decomposition of  2.22 \mathrm{~mol}  of metal X at the cathode. The oxidation state of X in molten salt is

Option: 1

3+


Option: 2

2+


Option: 3

1+


Option: 4

4+


Answers (1)

best_answer

Quantity of  Electricity    =\frac{15 \times 3600\times2 }{96500} \\
                                      =1.11 \mathrm{~F} \\              
\text { for } 0.250 \mathrm{~mol}=0.250 \mathrm{nF} \\

2.22 \mathrm{~mol}=1.11 \mathrm{~F} \\

\mathrm{n=2}.
 

Posted by

avinash.dongre

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