Which of the following metals that are spontaneously passivated on cou – McqOptions

MCQOPTIONS

1.	Which of the following metals that are spontaneously passivated on coupling with platinum?
A.	Titanium
B.	Chromium
C.	Titanium and Chromium
D.	Neither titanium nor chromium
Answer» D. Neither titanium nor chromium

Discussion

No Comment Found

Related MCQs

Which of the following is/are correct regarding the potentiostat method?
Which of the following metals that are spontaneously passivated on coupling with platinum?
In a galvanic couple, the corrosion rate of the metal with active corrosion potential is accelerated whereas the corrosion rate of noble metal retards preferentially.
The reversible potential of gold is more positive than platinum in emf series whereas in galvanic series the position of gold is below platinum.
Severe corrosion of metals occurred when coupled with platinum is due to the higher current density for hydrogen evolution but not due to the reversible potential of the platinum-platinum ion electrode.
Which of the following type of polarization has a negligible effect on velocity?
The corrosion rate is usually dependent at low velocity whereas at high velocities it becomes independent.
Which of the following is/are correct when oxidizing agents are added to a corrosion system containing a non-passivating metal?
Which of the following is/are the applications of mixed-potential theory?