Advertisements
Advertisements
प्रश्न
In construction of Standard Hydrogen Electrode, platinum acts as ______.
विकल्प
inert electrode
positive ion producing electrode
negative ion producing electrode
null electrode
Advertisements
उत्तर
In construction of Standard Hydrogen Electrode, platinum acts as inert electrode.
APPEARS IN
संबंधित प्रश्न
Define Reference electrode
It is impossible to measure the potential of a single electrode. Comment.
For hydrogen gas electrode, `"E"_("H"_2)` is calculated through to Nernst equation, where `"E"_("H"_2)^0` is always _______.
Mention difficulties in settings Standard Hydrogen Electrode.
Draw a neat and well labelled diagram of Standard Hydrogen Electrode. Also write its one application.
Calculate the potential of hydrogen electrode at 25°C:
Pt, H2 (1 atm) | H+ (0.1 M)
____________ is used as a primary reference electrode to determine the standard potentials of other electrodes.
Draw a neat, labelled diagram of a standard hydrogen electrode (SHE).
Write cell reaction and calculate the potential (EMF) of the cell Zn(s) | Zn2+(0.08 M) || Cr3+ (0.1 M) Cr(s) at 298 K.
\[\ce{E^0_{Zn} = - 0.76 V and E^0_Cr = - 0.74 V}\]
Write any two difficulties of setting SHE (Standard Hydrogen Electrode).
