1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
Several blocks of magnesium are fixed to the bottom of a ship to :
A
make the ship lighter
B
prevent action of water and salt
C
prevent puncturing by under-sea rocks
D
keep away the sharks
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Conductivity (Seimen’s S) is directly proportional to area of the vessel and the concentration of the solution in it and is inversely proportional to the length of the vessel then, then constant of proportionality is expressed in :
A
Sm mol-1
B
Sm2 mol-1
C
S-2m2 mol
D
S2m2 mol-2
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
For the following cell with hydrogen electrodes at two different pressure p1 and p2. What will be the emf for the given cell :

$$\eqalign{ & Pt({H_2})|{H^ + }(aq)|Pt({H_2}) \cr & \,\,\,\,\,{p_1}\,\,\,\,\,\,\,\,\,\,\,\,\,\,1M\,\,\,\,\,\,\,\,\,\,\,\,{p_2} \cr} $$
A
$${{RT} \over F}{\log _e}{{{P_1}} \over {{P_2}}}$$
B
$${{RT} \over 2F}{\log _e}{{{P_1}} \over {{P_2}}}$$
C
$${{RT} \over F}{\log _e}{{{P_2}} \over {{P_1}}}$$
D
none of these
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
EMF of a cell in terms of reduction potential of its left and right electrodes is :
A
E = Eleft - Eright
B
E = Eleft + Eright
C
E = Eright - Eleft
D
E = -(Eright + Eleft)
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