The $${\left( {{{\partial E} \over {\partial T}}} \right)_P}$$ of different types of half cells are as follows:

A	B	C	D
$$1 \times {10^{ - 4}}$$	$$2 \times {10^{ - 4}}$$	$$0.1 \times {10^{ - 4}}$$	$$0.2 \times {10^{ - 4}}$$

(Where E is the electromotive force)

Which of the above half cells would be preferred to be used as reference electrode?

The correct order of reduction potentials of the following pairs is

A. Cl₂/Cl^$$-$$

B. I²/I^$$-$$

C. Ag⁺/Ag

D. Na⁺/Na

E. Li⁺/Li

Choose the correct answer from the options given below.

Match List - I with List - II

	List - I (Parmeter)		List - II (Unit)
(a)	Cell constant	(i)	$$S\,c{m^2}mo{l^{ - 1}}$$
(b)	Molar conductivity	(ii)	Dimensionless
(c)	Conductivity	(iii)	$${m^{ - 1}}$$
(d)	Degree of dissociation of electrolyte	(iv)	$${\Omega ^{ - 1}}{m^{ - 1}}$$

Choose the most appropriate answer from the options given below :

Given below are two statements :

Statement I : The limiting molar conductivity of KCl (strong electrolyte) is higher compared to that of CH₃COOH (weak electrolyte).

Statement II : Molar conductivity decreases with decrease in concentration of electrolyte.

In the light of the above statements, choose the most appropriate answer from the options given below :