1
IIT-JEE 1998
Subjective
+6
-0
Find the solubility product of a saturated solution of Ag2CrO4 in water at 298 K if the emf of the cell Ag|Ag+ (satd. Ag2CrO4 soln.) || Ag+ (0.1 M) | Ag is 0.164 V at 298 K.
2
IIT-JEE 1997
Subjective
+3
-0
How many grams of silver could be plated out on a serving tray by electrolysis of a solution containing silver in +1 oxidation state for a period of 8.0 hours at a current of 8.46 amperes? What is the area of the tray if the thickness of the silver plating is 0.00254 cm? Density of silver is 10.5 g/cm3
3
IIT-JEE 1997
Subjective
+2
-0
Calculate the equilibrium constant for the reaction
Fe2+ + Ce4+ $$\leftrightharpoons$$ Fe3+ + Ce3+
(given $$E_{C{e^{4 + }}/C{e^{3 + }}}^o$$ = 1.44 V; $$E_{F{e^{3 + }}/F{e^{2 + }}}^o$$ = 0.68 V)
4
IIT-JEE 1996
Subjective
+3
-0
The standard reduction potential for Cu2+|Cu is +0.34 V. Calculate the reduction potential at pH = 14 for the above couple. Ksp of Cu(OH)2 is 1.0 $$\times$$ 10-19
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