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General Organic Chemistry formulas

Master General Organic Chemistry through 14 JEE Advanced-level formulas, systematically structured with every variable spelled out. Revise concept-wise, identify the areas where you need improvement, and focus your preparation with greater precision.

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General Organic Chemistry, every formula

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

Inductive effect
$permanent polarisation through σ -bonds$
Q1MCQInductive
The inductive effect operates through:
- A
  $\sigma$-bonds
- B
  $\pi$-bonds
- C
  lone pairs
- D
  hydrogen bonds
Resonance
$delocalisation of π -electrons$
Q1MCQResonance
Resonance involves delocalisation of:
- A
  $\pi$-electrons
- B
  $\sigma$-electrons
- C
  protons
- D
  neutrons
Hyperconjugation
$σ - π (no-bond) resonance$
Q1MCQHyperconjugation
Hyperconjugation is also called:
- A
  no-bond resonance
- B
  the inductive effect
- C
  tautomerism
- D
  isomerism
Electromeric effect
$temporary π -electron shift in presence of a reagent$
Q1MCQElectromeric
The electromeric effect is a temporary shift of:
- A
  $\pi$-electrons in the presence of a reagent
- B
  $\sigma$-electrons
- C
  protons
- D
  lone pairs
Electrophile
$electron-loving (Lewis acid)$
Q1MCQElectrophile
An electrophile is:
- A
  electron-loving (Lewis acid)
- B
  electron-rich
- C
  a base
- D
  a radical
Nucleophile
$nucleus-loving (Lewis base)$
Q1MCQNucleophile
A nucleophile is:
- A
  nucleus-loving (Lewis base)
- B
  electron-poor
- C
  an acid
- D
  an oxidiser
Carbocation stability
$3^{\circ} > 2^{\circ} > 1^{\circ} > methyl$
Q1MCQCarbocation
The order of carbocation stability is:
- A
  $3^{\circ}>2^{\circ}>1^{\circ}$
- B
  $1^{\circ}>2^{\circ}>3^{\circ}$
- C
  all equal
- D
  methyl $>3^{\circ}$
Carbanion stability
$methyl > 1^{\circ} > 2^{\circ} > 3^{\circ}$
Q1MCQCarbanion
The order of carbanion stability is:
- A
  methyl $>1^{\circ}>2^{\circ}>3^{\circ}$
- B
  $3^{\circ}>2^{\circ}>1^{\circ}$
- C
  all equal
- D
  $2^{\circ}>1^{\circ}$
Free radical stability
$3^{\circ} > 2^{\circ} > 1^{\circ}$
Q1MCQFree radical
The order of free-radical stability is:
- A
  $3^{\circ}>2^{\circ}>1^{\circ}$
- B
  $1^{\circ}>3^{\circ}$
- C
  all equal
- D
  methyl $>3^{\circ}$
Aromaticity (Huckel)
$(4 n + 2) π -electrons, planar, cyclic$
Q1MCQAromaticity
Hückel's rule for aromaticity requires:
- A
  $(4n+2)$ $\pi$-electrons
- B
  $4n$ $\pi$-electrons
- C
  any number
- D
  $2n$ electrons
Acidity of carboxylic acids
$stabilised carboxylate anion$
Q1MCQCarboxylic acidity
Carboxylic acids are acidic because the carboxylate anion is:
- A
  resonance-stabilised
- B
  unstable
- C
  non-polar
- D
  aromatic
+I groups
$alkyl groups donate electrons$
Q1MCQ+I groups
Alkyl groups exert a:
- A
  $+I$ (electron-donating) effect
- B
  $-I$ effect
- C
  no effect
- D
  resonance effect only
-I groups
$electronegative groups withdraw electrons$
Q1MCQ-I groups
Electronegative substituents like $-NO_2$ exert a:
- A
  $-I$ (electron-withdrawing) effect
- B
  $+I$ effect
- C
  no effect
- D
  donating effect
Homolysis vs heterolysis
$radicals vs ions$
Q1MCQHomolysis
Homolytic bond cleavage produces:
- A
  free radicals
- B
  ions
- C
  a cation only
- D
  an anion only

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General Organic Chemistry formulas

General Organic Chemistry, every formula

Inductive effect

Resonance

Hyperconjugation

Electromeric effect

Electrophile

Nucleophile

Carbocation stability

Carbanion stability

Free radical stability

Aromaticity (Huckel)

Acidity of carboxylic acids

+I groups

-I groups

Homolysis vs heterolysis

More JEE Advanced Chemistry formula sheets

Other ways to revise this chapter

Preparing students for India’s top institutes

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