In the electrochemical cell
`H_(2)(g),"1 atm"|H^(+)(1M)"||"Cu^(2+)(1M)|Cu(s)`, which one of the following statements is true?

In the electrochemical cell H_(2)(g) 1atm | 1H^(+)(lm) || Cu^(2+) (IM) |Cu(s) Which one of the following statements is true?

For the electro chemical cell Pt(s)|underset(1 atm)(H_(2))(g)|H^(+)(1M)||Cu^(2+)(1M)|Cu(s) , which one of the following statements are true ?

For the electro chemical cell Pt(s)|underset(1 atm)(H_(2))(g)|H^(+)(1M)||Cu^(2+)(1M)|Cu(s) , which one of the following statements are true ?

For the electro chemical cell Pt(s)|underset(1 atm)(H_(2))(g)|H^(+)(1M)||Cu^(2+)(1M)|Cu(s) , which one of the following statements are true ?

For the electrochemical cell : Zn "|"Zn^(2+)(1M)"||"H^(+)(1M)"|"H_(2)("atm") , Pt the e.m.f. of the cell has been found to be 0.76. The standard reduction potential of zinc is :

E_(1), E_(2) and E_(3) are the emf values of the three galvanic cells respectively (i) Zn"|"Zn^(2+)(1M)"||"Cu^(2+)(0.1)M"|"Cu (ii) Zn"|"Zn^(2+)(1M)"||"Cu^(2+)(1M)"|"Cu (iii) Zn"|"Zn^(2+)(0.1M)"||"Cu^(2+)(1M)"|"Cu Which one of the following is true ?

For the electrochemical cell shown below Pt|H_2(p=1atm)|H^+(aq.,xM)||Cu^(2+)(aq.,1.0M)|Cu(s) The potentialis 0.49 V at 298 K. The pH of the solution is closest to:[Given, standard reduction potential, E^@ for Cu^(2+)//Cu is 0.34 V. Gas constant, R is 8.31 JK^-1mol^-1 Faraday constant, F is 9.65xx10^4JV^-1mol^-1 ]