Organic Chemistry - Some Basic Principles and Techniques questions

1502 published questions with worked solutions.

• The IUPAC name of CH₃–CH₂–CHO is
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• The correct name for the fused cyclohexane–cyclopropane hydrocarbon (norcarane) shown is
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• The IUPAC name of the cyclohexa-2,4-dien-1-yl methyl ketone shown is
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• In cyclopropane, cyclobutane and cyclohexane, the common repeating group is
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• The IUPAC name of the bicyclic compound shown (two fused four-membered rings sharing an edge) is
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• The IUPAC name of CH₃–C≡C–CH(CH₃)₂ is
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• The IUPAC name of CH₃COCH(CH₃)₂ is
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• IUPAC name of the compound CH₃–CH₂–CH(CH₃)–CH₂–CH(CH(CH₃)₂)–CH₂–CH₂–CH₃ is
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Which of the structures (I–V) shown represent the same compound as structure (I) above (identical connectivity drawn in different...
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Electromeric effect is a
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Chloroacetic acid is a stronger acid than acetic acid. This can be explained using
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• The reaction intermediate produced by homolytic cleavage of a bond is called
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Which of the following compounds is most acidic?
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• C–H bond energy is about 101 kcal/mol for methane, ethane and other alkanes, but only 77 kcal/mol for the C–H bond of the CH₃...
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Mesomeric effect involves delocalisation of
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• The correct stability order for the given radical/carbanion species (I–IV, differing in the position of the unpaired...
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• The correct order for homolytic bond dissociation energies (ΔH in kcal/mol) for CH₄ (A), C₂H₆ (B) and CH₃Br (C), under identical...
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• The rate of the reaction R–C₆H₄–CH₂Br + pyridine → [R–C₆H₄–CH₂–pyridinium]⁺Br⁻ is influenced by the hyperconjugative effect of R....
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Among the resonance structures shown for the given conjugated amino-carbonyl diene system, the least stable is
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• CH₃CH₂Cl undergoes homolytic fission, producing
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques

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