JEE Main · Chemistry

Some Basic Principles of Organic Chemistry

Tetravalency of carbon; shapes of simple molecules — hybridisation (s and p); classification of organic compounds based on functional groups; nomenclature (trivial and IUPAC); covalent bond fission — homolytic and heterolytic; electronic effects (inductive, electromeric, resonance, hyperconjugation); types of organic reactions.

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  • Q1 · Some Basic Principles of Organic Chemistry · EASY

    Which of the following statements about the inductive effect is correct?

  • Q2 · Some Basic Principles of Organic Chemistry · MEDIUM

    A compound has the molecular formula C4H8O. It does not give a positive test with 2,4-dinitrophenylhydrazine but reacts with sodium metal liberating hydrogen gas. The compound is most likely:

  • Q3 · Some Basic Principles of Organic Chemistry · EASY

    In which of the following compounds does the carbon atom use sp² hybridization?

  • Q4 · Some Basic Principles of Organic Chemistry · MEDIUM

    Consider the following carbocations formed during organic reactions: (I) CH3-CH2+ (II) (CH3)3C+ (III) CH3-CH+-CH3 (IV) CH2=CH-CH2+. Arrange them in increasing order of stability:

  • Q5 · Some Basic Principles of Organic Chemistry · HARD

    The IUPAC name of the compound CH3-CH(CH3)-CH2-C(CH3)2-CHO is:

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