Chemistry · JEE

Delta G° (Standard Gibbs energy change) and equilibrium constant Short Tricks for JEE

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Quick answer

Short tricks for Delta G° (Standard Gibbs energy change) and equilibrium constant work only with strong fundamentals. Apply the tips below in timed sets and review every explanation.

Use these Delta G° (Standard Gibbs energy change) and equilibrium constant shortcuts to save time in JEE Chemistry papers — then validate speed with 3+ MCQs on Goodmarks.

Short tricks for speed

Delta G° (Standard Gibbs energy change) and equilibrium constant focus drill
Solve 15 mixed MCQs for Delta G° (Standard Gibbs energy change) and equilibrium constant, review every explanation, and note formulas you hesitated on.
NCERT line recall
For Inorganic, exact NCERT phrasing often matches the correct option — highlight one-liners during revision.
Balance then compare
In Physical Chemistry numericals, write the balanced relation first, then substitute values with units.

Syllabus context

Part of Chemical Thermodynamics in JEE Main Chemistry.

Free sample questions

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Q1ChemistryUnit 4: Chemical Thermodynamics

The plot shows the variation of

-\ln \boldsymbol{K}_{\boldsymbol{p}}

versus temperature for the two reactions.

M(s)+\frac{1}{2} O_{2}(g) \rightarrow M O(s)

and

C(s)+\frac{1}{2} O_{2}(g) \rightarrow C O(s)

Identify the correct statement?

Q2ChemistryUnit 4: Chemical Thermodynamics

toppr Q Type your question At the point of intersection of

A l_{2} U_{3}

and

M g O

curves

(A), \triangle G^{0}

becomes zero for the reaction,

\frac{2}{3} A l_{2} O_{3}+2 M g \rightarrow+\frac{4}{3} A l

Below this point, magnesium can reduce alumina. Although thermodynamically feasible, Al is not used for reduction of

M g O

because:

Q3ChemistryUnit 4: Chemical Thermodynamics

A schematic plot of

\ln \boldsymbol{K}_{e q}

. versus inverse of temperature for a reaction is shown below: The reaction must be:

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Frequently asked questions

Are short tricks enough for Delta G° (Standard Gibbs energy change) and equilibrium constant in JEE?

No — tricks complement concepts. Master the theory first, then use shortcuts in timed MCQ practice.

Short tricks for speed

Syllabus context

Free sample questions

Popular questions in Delta G° (Standard Gibbs energy change) and equilibrium constant

Frequently asked questions

Are short tricks enough for Delta G° (Standard Gibbs energy change) and equilibrium constant in JEE?

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