1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
4.5 g of aluminium (at. mass 27 amu) is deposited at cathode from Al3+ solution by a certain quantity of electric charge. The volume of hydrogen produced at STP from H ions in solution by the same quantity of electric charge will be
A
44.8 L
B
22.4 L
C
11.2 L
D
5.6 L
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The mass of carbon anode consumed (giving only carbon dioxide) in the production of 270 kg of aluminium metal from bauxite by the Hall process is
(Atomic mass : Al = 27)
A
270 kg
B
540 kg.
C
90 kg
D
180 kg
3
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The standard e.m.f. of a galvanic cell involving cell reaction with n = 2 is found to be 0.295 V at 25oC. The equilibrium constant of the reaction would be
A
2.0 $$ \times $$ 1011
B
4.0 $$ \times $$ 1012
C
1.0 $$ \times $$ 102
D
1.0 $$ \times $$ 1010
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
The e.m.f. of a Daniell cell at 298 K is E1.
AIPMT 2003 Chemistry - Electrochemistry Question 23 English
When the concentration of ZnSO4 is 1.0 M and that of CuSO4 is 0.01 M, the e.m.f. changed to E2. What is the relationship between E1 and E2?
A
E1 > E2
B
E1 < E2
C
E1 = E2
D
E2 = 0 $$ \ne $$ E1
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