Isomerism Exercise - Page #55
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Questions and Answers

Which type of isomerism do the compounds C2H5OC2H5 and CH3OCH2CH2CH3 exhibit?

  • Conformational isomers
  • Geometrical isomers
  • Chain isomers
  • Metamers (correct)

    • How many benzenoid aromatic isomers does C7H7Cl show?

  • 6
  • 3
  • 5
  • 4 (correct)

    • What is the minimum number of carbon atoms required for position & geometrical isomerism in an alkene?

  • 4, 3
  • 3, 4 (correct)
  • 3, 3
  • 4, 4

    • How many structural formulas are possible when one of the hydrogen atoms in anthracene is replaced by a chlorine atom?

    <p>7 (C)</p> Signup and view all the answers

    How many primary amines are possible for the formula C4H11N?

    <p>4 (A)</p> Signup and view all the answers

    What will be the observed rotation for the impure mixture of d-form and l-form?

    <p>–22.5º (B)</p> Signup and view all the answers

    If an optically active compound in a 10 dm tube rotates the PPL by 30º, what would be the angle of rotation and specific rotation if the solution is diluted to 1 Litre?

    <p>16º &amp; 36º (A)</p> Signup and view all the answers

    How many planes (pos) are present in Anthracene?

    <p>6 (D)</p> Signup and view all the answers

    Among the given options, which two compounds are identical?

    <p>(I) &amp; (III) (B)</p> Signup and view all the answers

    Which pair of compounds exist as meso structures?

    <p>only K (C)</p> Signup and view all the answers

    How many benzenoid aromatic isomers does C7H7Cl show?

    <p>4 (D)</p> Signup and view all the answers

    What is the minimum number of carbon atoms required for position and geometrical isomerism in an alkene?

    <p>4, 3 (A)</p> Signup and view all the answers

    How many structural formulas are possible when one of the hydrogen atoms in anthracene is replaced by a chlorine atom?

    <p>4 (D)</p> Signup and view all the answers

    Which of the following compounds cannot be written in an isomeric form?

    <p>Cl – CH2CH2 – Cl (D)</p> Signup and view all the answers

    The number of cis-trans isomers possible for the following compound is:

    <p>2 (A)</p> Signup and view all the answers

    What will be the specific rotation for the impure mixture of d-form and l-form?

    <p>-22.5º (A)</p> Signup and view all the answers

    If an optically active compound in a 10 dm tube rotates the PPL by 30º, what would be the angle of rotation and specific rotation if the solution is diluted to 1 Litre?

    <p>6º &amp; 36º (A)</p> Signup and view all the answers

    How many planes of symmetry are present in Anthracene?

    <p>6 (C)</p> Signup and view all the answers

    Which two of the following compounds are identical?

    <p>(I) &amp; (IV) (D)</p> Signup and view all the answers

    How many benzenoid aromatic isomers does C7H7Cl show?

    <p>1 (B)</p> Signup and view all the answers

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