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Target Exam

CUET

Subject

Chemistry

Chapter

Physical: Electro Chemistry

Question:

Match Column I with Column II

Column I Column II
(i) \(\Lambda _{m}\) (a) \(S \text{ }cm^{-1}\)
(ii) \(E_{cell}\) (b) \(m^{-1}\)
(iii) \(\kappa\) (c) \(S \text{ }cm^2\text{ }mol^{-1}\)
(iv) \(G^*\) (d) \(V\)
Options:

1-a, ii-b, iii-c, iv-d

1-c, ii-b, iii-a, iv-d

1-c, ii-d, iii-a, iv-b

1-a, ii-c, iii-d, iv-b

Correct Answer:

1-c, ii-d, iii-a, iv-b

Explanation:

The correct answer is option 3. 1-c, ii-d, iii-a, iv-b.

The correct match for Column I and Column II is as follows:

Column I Column II
(i) \(\Lambda _{m}\)  (c) \(S \text{ }cm^2\text{ }mol^{-1}\)
(ii) \(E_{cell}\) (d) \(V\)
(iii) \(\kappa\) (a) \(S \text{ }cm^{-1}\)
(iv) \(G^*\) (b) \(m^{-1}\)

i. \(\Lambda _{m}\) is the molar conductivity, which is the conductivity of a solution divided by the concentration of the solute. It is measured in units of siemens per square centimeter per mole \((S cm^2 mol^{-1})\).

ii. \(E_{cell}\) is the cell potential, which is the difference in potential between the cathode and anode of an electrochemical cell. It is measured in units of volts (V).

iii. \(\kappa \) is the conductivity, which is the ability of a solution to conduct electricity. It is measured in units of siemens per centimeter \((S cm^{-1})\).

iv. \(G^*\) is the molar free energy of activation, which is the free energy required to activate a mole of molecules in a reaction. It is measured in units of joules per mole \((J mol^{-1})\).

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