Electrochemistry formulas

Every formula JEE Advanced expects you to know for Electrochemistry, with the variables spelled out. Free, no sign-up. Read it before a mock, not during one.

Practise these formulas 212 practice questions

Formulas: 22
Subject: Chemistry
Exam: JEE Advanced
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Electrochemistry, every formula

22 formulas, typeset and free. Print it, or keep it open beside your practice.

Standard cell potential
$E_{ce l l}^{\circ} = E_{c a t h o d e}^{\circ} - E_{an o d e}^{\circ}$
Nernst equation
$E = E^{\circ} - \frac{0.0591}{n} lo g Q (2 5^{\circ} C)$
Nernst (general)
$E = E^{\circ} - \frac{R T}{n F} ln Q$
ΔG and cell potential
$Δ G = - n F E_{ce l l}$
ΔG° and E°
$Δ G^{\circ} = - n F E_{ce l l}^{\circ}$
E° and equilibrium constant
$E^{\circ} = \frac{0.0591}{n} lo g K$
Faraday's first law
$m = \frac{Z I t}{1} = \frac{M I t}{n F}$
Charge
$Q = I t$
Faraday constant
$F = 96500 C/mol$
Equivalents deposited
$equivalents = \frac{I t}{F}$
Conductance
$G = \frac{1}{R}$
Specific conductance (conductivity)
$κ = \frac{1}{R} \cdot \frac{l}{A} = G \cdot \frac{l}{A}$
Cell constant
$\frac{l}{A} = R κ$
Molar conductivity
$Λ_{m} = \frac{κ \times 1000}{C}$
Kohlrausch's law
$Λ_{m}^{\circ} = λ_{+}^{\circ} + λ_{-}^{\circ}$
Degree of dissociation
$α = \frac{Λ _{m}}{Λ _{m}^{\circ}}$
Dissociation constant (weak)
$K_{a} = \frac{C α ^{2}}{1 - α}$
EMF and spontaneity
$E_{ce l l} > 0 \Rightarrow spontaneous$
Concentration cell EMF
$E = \frac{0.0591}{n} lo g \frac{C _{2}}{C _{1}}$
Standard hydrogen electrode
$E_{S H E}^{\circ} = 0 V$
Molar conductivity units
$S cm^{2} mol^{- 1}$
Weight from equivalent
$m = \frac{E I t}{F}$
E = equivalent weight

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Electrochemistry formulas

Electrochemistry, every formula

Standard cell potential

Nernst equation

Nernst (general)

ΔG and cell potential

ΔG° and E°

E° and equilibrium constant

Faraday's first law

Charge

Faraday constant

Equivalents deposited

Conductance

Specific conductance (conductivity)

Cell constant

Molar conductivity

Kohlrausch's law

Degree of dissociation

Dissociation constant (weak)

EMF and spontaneity

Concentration cell EMF

Standard hydrogen electrode

Molar conductivity units

Weight from equivalent

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Know the Electrochemistry formulas. Now use them.

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