Chemistry MCQs for NEET — Practice Questions with Answers

What does the potential of the electrochemical cell become zero ?

For the electrochemical cell, $ Mg|Mg^{2+ } (0.04m)||Ag^+_{(c_2)} |Ag ; Ecell = E ^\circ cell, then what will be the value of C_2 $ ?

Which of the following possesses maximum equivalent conductance at infinite dilution?

The potential of a cell is 2.0 volt. change in free energy (SG) occur for the reaction of cell is –50k.cal then what coulomb electric charge obtained from the cell?

$ A+ 25 ^\circ $ c temperature and 1 bar pressure, oxidation potential of hydrogen half cell is 0.118 volt, then what would be the $ P^{OH} $ of the solution?

For the electrochemical cell, $ Zn|Zn^{2+}_{(C_1)} ||Cu^{2+ } _{C_2} |Cu ; Ecell > E ^\circ $ Cell then., what change occurs in the value of cell potential, when concentration of both the solution decreased equally ?

Which equation is suitable to calculate the value of $ E ^\circ $ cell ?

At $ 25 ^\circ c temperature, potential of Mg ^ {2+}_{xM} | Mg and Cu^{2+} _{(yM)}| Cu and half cells are 2.365 v and 0.3415 v respectively. What will be the cell potential of the cell formed by these two half cells at 25^\circ c $ temperature ?

Cell potential of the cell formed by connecting half cells $ Fe |Fe^{2+}_{(xM)} and Ag |Ag^+_{(yM)} is 1.295 V. if at 25 ^\circ C $ potential of the | Ag is 0.84 V. then what is the potential of the | at C?

IF $ Eco^{ 2+}_{(xM)} |Co < E^0_{Co}^{2+}|Co $ then which value of x is possible?