Organic Chemistry Acids and Carbocations
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Questions and Answers

Which of the following compounds is the strongest acid?

  • CH3COOH
  • HCOOH
  • ClCH2CH2CH2COOH (correct)
  • CH3CH2CH(Cl)CO2H

    • Which of the following acids is stronger than acetic acid?

  • Propanoic acid
  • Butyric acid
  • (CH3)2CHCOOH
  • HCOOH (correct)

    • Which of the following acids have the lowest pKa value?

  • CHCl2COOH
  • ClCH2CH2CH2COOH
  • CCl3COOH (correct)
  • CH3CHClCOOH

    • The stabilization due to resonance is maximum in which of the following compounds?

    <p>CH3−CH=CH−Cl</p> Signup and view all the answers

    Which of the following resonating structures of chlorides is least stable?

    <p>CH2−CH−Cl</p> Signup and view all the answers

    Among the following, the strongest base is?

    <p>C6H5NH2</p> Signup and view all the answers

    What is the nature of the effect exhibited by the oxygen atom in phenol?

    <p>More dominating resonance effect than inductive effect</p> Signup and view all the answers

    Which of the following is the correct stability order of carbocations?

    <p>CH3 – CH2 – C H 2 &gt; CH3 – C H – CH3 &gt; CH2 = CH – C H 2</p> Signup and view all the answers

    What is the reason for mesomeric effect?

    <p>Delocalization of π electrons</p> Signup and view all the answers

    What is the correct order of acidity of the following phenols?

    <p>B &gt; D &gt; C &gt; A</p> Signup and view all the answers

    Which of the following is the most stable carbanion?

    Signup and view all the answers

    Which bond is most likely to undergo heterolytic cleavage?

    <p>C-H bond</p> Signup and view all the answers

    What type of bond cleavage is referred to in the given statement?

    <p>Heterolytic cleavage</p> Signup and view all the answers

    Which of the following bonds is least likely to undergo heterolytic cleavage?

    <p>C-C bond</p> Signup and view all the answers

    What is the characteristic of the bond that undergoes heterolytic cleavage most easily?

    <p>It is a weak bond</p> Signup and view all the answers

    Which of the following compounds is the most acidic?

    <p>m-chloro phenol</p> Signup and view all the answers

    Which of the following statements is true about the given bond?

    <p>It is the most easily cleaved bond</p> Signup and view all the answers

    What is the significance of the given bond in organic chemistry?

    <p>It is a bond that undergoes heterolytic cleavage</p> Signup and view all the answers

    Which compound exhibits hyperconjugation?

    <p>Allyl chloride</p> Signup and view all the answers

    What is the correct order of acidic strength of the following compounds?

    <p>D &gt; C &gt; A &gt; B</p> Signup and view all the answers

    Which of the following compounds is the strongest base?

    <p>Trimethylamine</p> Signup and view all the answers

    Which of the following is least reactive chlorine?

    <p>Vinyl chloride</p> Signup and view all the answers

    Which resonating structure of 1-methoxy-1,3-butadiene is least stable?

    <p>e</p> Signup and view all the answers

    Which of the following compounds is least stable?

    <p>CH3 − C H − CH 3</p> Signup and view all the answers

    Which of the following compounds are aromatic in nature?

    <p>CH 2 = CH − C H − CH = O− CH 3</p> Signup and view all the answers

    Which of the following is most stable alkene?

    <p>CH 3 –C– C H–C6 H 5</p> Signup and view all the answers

    What is the correct order of acidic strength of the following compounds?

    <p>c &gt; d &gt; b &gt; a</p> Signup and view all the answers

    Phenol is less acidic than which of the following compounds?

    <p>o-Nitrophenol</p> Signup and view all the answers

    Which of the following intermediate has complete octet?

    <p>Carbanion</p> Signup and view all the answers

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