AIEEE 2003 | Electrochemistry Question 198 | Chemistry

When during electrolysis of a solution of AgNO₃, 9650 coulombs of charge pass through the electroplating bath, the mass of silver deposited on the cathode will be :

10.8 g

21.6 g

108 g

1.08 g

AIEEE 2003

MCQ (Single Correct Answer)

-1

For the redox reaction Zn(s) + Cu²⁺(0.1 M) $$\to$$ Zn²⁺(1M) + Cu(s) taking place in a cell, $$E_{cell}^o$$ is 1.10 volt. E_cell for the cell will be ($$2.303{{RT} \over F}$$ = 0.0591)

1.80 volt

1.07 volt

0.82 volt

2.14 volt

AIEEE 2002

MCQ (Single Correct Answer)

-1

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 :

Sm mol^-1

Sm² mol^-1

S^-2m² mol

S²m² mol^-2

AIEEE 2002

MCQ (Single Correct Answer)

-1

For the following cell with hydrogen electrodes at two different pressure p₁ and p₂. What will be the emf for the given cell :

$$\eqalign{ & Pt({H_2})|{H^ + }(aq)|Pt({H_2}) \cr & \,\,\,\,\,{p_1}\,\,\,\,\,\,\,\,\,\,\,\,\,\,1M\,\,\,\,\,\,\,\,\,\,\,\,{p_2} \cr} $$

$${{RT} \over F}{\log _e}{{{P_1}} \over {{P_2}}}$$

$${{RT} \over 2F}{\log _e}{{{P_1}} \over {{P_2}}}$$

$${{RT} \over F}{\log _e}{{{P_2}} \over {{P_1}}}$$

none of these

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