Organic Chemistry - Some Basic Principles and Techniques questions

1502 published questions with worked solutions.

• Which of the following compounds has the most acidic nature?
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• [IIT 1997] Nitrobenzene can be prepared from benzene using a mixture of conc. HNO₃ and conc. H₂SO₄. In this nitrating mixture,...
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Which of the following drawn structures does **not** represent a chemically reasonable structure for a dimethylbenzene (xylene)...
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Aniline is purified/separated by
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• [IIT 1993] Choose the correct statement regarding the two canonical structures drawn for the anilinium ion — (I) with the...
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Which one readily accepts a proton?
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Among acetic acid, phenol and *n*-hexanol, which compound(s) will react with NaHCO₃?
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Given (i) cyclohexanol, (ii) acetic acid, (iii) 2,4,6-trinitrophenol (picric acid) and (iv) phenol, the order of decreasing...
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Under suitable conditions, C₆H₅CH₂OH (A), C₆H₅OH (B) and C₆H₅COOH (C) can all act as acids. The increasing order of their acidic...
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• The number of isomeric xylenes (dimethylbenzenes) is
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• [KCET 1992] Moth balls mainly contain
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• "Carbolic acid" is the traditional common name for
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• A mixture of benzene and aniline can be separated by
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• [IIT 2011] Among the following, the most acidic compound is
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Which of the following is the most acidic?
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• [IIT 1995] Among the benzylic cations *p*-O₂N–C₆H₄–CH₂⁺, C₆H₅–CH₂⁺, *p*-Cl–C₆H₄–CH₂⁺ and *p*-CH₃O–C₆H₄–CH₂⁺, the most stable is
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Which of the following exists as a pair of mirror-image (enantiomeric) isomers?
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Any member of a homologous series differs from the next lower or higher member by a difference in atomic mass units corresponding...
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• In ³CH₃–²CH₂–¹CH₂–Cl, which numbered carbon atom will have the maximum δ⁺ charge?
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
• Total number of methyl groups present in 5-(1,2-dimethylpropyl)nonane are ________.
  JEE Main · Chemistry · Organic Chemistry - Some Basic Principles and Techniques

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