AIPMT 2008 | Electrochemistry Question 54 | Chemistry

AIPMT 2008

MCQ (Single Correct Answer)

-1

Kohlrausch's law states that at

Infinite dilution, each ion makes definite contribution to conductance of an electrolyte whatever be the nature of the other ion of the electrolyte

Infinite dilution, each ion makes definite contribution to equivalent conductance of an electrolyte, whatever be the nature of the other ion of the electrolyte

Finite dilution, each ion makes definite contribution to equivalent conductance of an electrolyte, whatever be the nature of the other ion of the electrolyte

Infinite dilution each ion makes definite contribution to equivalent conductance of an electrolyte depending on the nature of the other ion of the electrolyte.

AIPMT 2008

MCQ (Single Correct Answer)

-1

Standard free energies of formation (in kJ/mol) at 298 K are $$-$$237.2, $$-$$ 394.4 and $$-$$8.2 for H₂O_(l), CO_2(g) and pentane _(g) respectively. The value of E^o_cell for the pentane-oxygen fuel cell is

1.0968 V

0.0968 V

1.968 V

2.0968 V

AIPMT 2007

MCQ (Single Correct Answer)

-1

The equilibrium constant of the reaction:
Cu_(s) + 2Ag⁺_(aq) $$ \to $$ Cu²⁺_(aq) + 2Ag_(s);
E^o = 0.46 V at 298 K is

2.0 $$ \times $$ 10¹⁰

4.0 $$ \times $$ 10¹⁰

4.0 $$ \times $$ 10¹⁵

2.4 $$ \times $$ 10¹⁰

AIPMT 2007

MCQ (Single Correct Answer)

-1

The efficiency of a fuel cell is given by

$$\Delta $$G/$$\Delta $$S

$$\Delta $$G/$$\Delta $$H

$$\Delta $$S/$$\Delta $$G

$$\Delta $$H/$$\Delta $$G

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