Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) `A^(2+)(aq.)+2e^-->A(s)E=0.8` volt`B^(3+)(aq.)+3e^-->B(s)E =0.6` voltUsing above information find the iron which will be deposited first at cathode if solution containing `A^(2+)(aq.)&B^(3+)(aq.)` is electrolysed. - Sarthaks eConnect

`A^(2+)(aq.)+2e^- ->A(s) :E=0.8` volt
`B^(3+)(aq.)+3e^- ->B(s) :E =0.6` volt
Using above information find the iron which will be deposited first at cathode if solution containing `A^(2+)(aq.) & B^(3+)(aq.)` is electrolysed.

`A^(2+)(aq.)+2e^- ->A(s) :E=0.8` volt

`B^(3+)(aq.)+3e^- ->B(s) :E =0.6` volt

Using above information find the iron which will be deposited first at cathode if solution containing `A^(2+)(aq.) & B^(3+)(aq.)` is electrolysed.

A.

`A^(2+)(aq.)`

B.

`B^(3+)(aq.)`

C.

`H^+(aq.)`

D.

`OH(aq.)`

Solution

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Best answer

Ion having higher reduction will reduce first.