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  • 9 g of aluminium (atm mass = 27 amu) is deposited at the cathode from   solution by a cert

9 g of aluminium (atm mass = 27 amu) is deposited at the cathode from Al^{3+}  solution by a certain quantity of electric charge. The volume (in L) of hydrogen produced at STP from H^+  ions in the solution by the same quantity of electric charge will be:  

Option: 1

44.8


Option: 2

22.4


Option: 3

11.2


Option: 4

5.6


Answers (1)

best_answer

Cathode -

The half cell in which reduction takes place is called cathode.

no. of equivalent of aluminium = 9/9 =1 

no. of equivalent of H_2 = 1 

Volume of H_2 gas at STP = 1X11.2 = 11.2 L

Posted by

sudhir.kumar

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