Which of the following is a volt :

When E_(Ag^(+) | Ag)^@ = 0.80 volt and E_(Zn^(2+)|Zn)^@ = 0.76 volt, which of the following is correct?

Which of the following values in electron volt per atom represent the first ionisation enthalpy of oxygen and nitrogen respectively?

Which of the following statements is correct? (a) one volt is one joule per ampere. (b) one volt is one joule per coulomb.

A six volt battery is connected with a resistance. A current of 2 amperes flows for 4 minutes. Which of the following statements is wrong?

For I_2 + 2e to 2I^(-) , standard reduction potential = + 0.54 volt. For 2Br^(-) to Br_2 + 2e^(-) . Standard oxidation potential = - 1.09 volt. For Fe to Fe^(2+) + 2e^(-) , standard oxidation potential = + 0.44 volt. Which of the following reaction is non-spontaneous ?