1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Standard free energies of formation (in kJ/mol) at 298 K are $$-$$237.2, $$-$$ 394.4 and $$-$$8.2 for H2O(l), CO2(g) and pentane (g) respectively. The value of Eocell for the pentane-oxygen fuel cell is
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
On the basis of the following Eo values, the strongest oxidizing agent is
[Fe(CN)6]4$$-$$ $$ \to $$ [Fe(CN)6]3$$-$$ + e$$-$$; Eo = $$-$$0.35 V
Fe2+ $$ \to $$ Fe3+ + e$$-$$; Eo = $$-$$0.77 V
[Fe(CN)6]4$$-$$ $$ \to $$ [Fe(CN)6]3$$-$$ + e$$-$$; Eo = $$-$$0.35 V
Fe2+ $$ \to $$ Fe3+ + e$$-$$; Eo = $$-$$0.77 V
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The efficiency of a fuel cell is given by
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The equilibrium constant of the reaction:
Cu(s) + 2Ag+(aq) $$ \to $$ Cu2+(aq) + 2Ag(s);
Eo = 0.46 V at 298 K is
Cu(s) + 2Ag+(aq) $$ \to $$ Cu2+(aq) + 2Ag(s);
Eo = 0.46 V at 298 K is
Questions Asked from Electrochemistry (MCQ (Single Correct Answer))
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