Q3  the pressure of H2 required to make the potential of  H2 electrode zero in 1M HCl solution at 298K Is  (a)1atm (b)10atm (c)0.1atm (d)0.01atm   Q4 the gas produced at cathode during the electrolysis of dilute H2SO4 solution is (a)O2 (b)SO2 (c)SO3 (d)H2

Chemistry: Principles and Reactions
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Chapter17: Electrochemistry
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Q3  the pressure of H2 required to make the potential of  H2 electrode zero in 1M HCl solution at 298K Is 

(a)1atm

(b)10atm

(c)0.1atm

(d)0.01atm

 

Q4 the gas produced at cathode during the electrolysis of dilute H2SO4 solution is

(a)O2

(b)SO2

(c)SO3

(d)H2

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