1
JEE Main 2022 (Online) 30th June Morning Shift
+4
-1

In which of the following half cells, electrochemical reaction is pH dependent?

A
$$Pt\,|\,F{e^{3 + }},\,F{e^{2 + }}$$
B
$$MnO_4^ - \,|M{n^{2 + }}$$
C
$$Ag\,|\,AgCl\,|C{l^{ - 1}}$$
D
$${1 \over 2}{F_2}\,|{F^ - }$$
2
JEE Main 2022 (Online) 27th June Evening Shift
+4
-1

In 3d series, the metal having the highest M2+/M standard electrode potential is

A
Cr
B
Fe
C
Cu
D
Zn
3
JEE Main 2022 (Online) 26th June Morning Shift
+4
-1

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?

A
A
B
B
C
C
D
D
4
JEE Main 2022 (Online) 25th June Evening Shift
+4
-1

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.

A
A > C > B > D > E
B
A > B > C > D > E
C
A > C > B > E > D
D
A > B > C > E > D
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