Year: 2016
Topic: Electrochemistry
Time :
1.
The pressure ofH
2
required to make the potential of H
<2/sub> - electrode zero in pure water at 298 K is
(1). 10
-12
atm
(2). 10
-10
atm
(3). 10
-4
atm
(4). 10
-14
atm