[BUTex 15-16] [RU 17-18] Chemistry MCQs
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Questions and Answers

What is the term used for compounds that have the same molecular formula but different structural formulas?

  • Isomers (correct)
  • Isotopes
  • Allotropes
  • Homologues

In which type of scission is C2H3Cl3 produced?

  • Heterolytic scission of σ-bond (correct)
  • Heterolytic scission of Ï€-bond
  • Homolytic scission of Ï€-bond
  • Homolytic scission of σ-bond

When a compound is described as 'very unstable', what does this imply?

  • It is highly reactive (correct)
  • It has a low boiling point
  • It is a noble gas
  • It has a high melting point

What happens to the number of protons and electrons in an unstable compound?

<p>The number of protons is equal to electrons (A)</p> Signup and view all the answers

Which type of bond scission leads to the formation of CH3CH2CH2Cl?

<p>Homolytic scission of σ-bond (B)</p> Signup and view all the answers

In the context provided, what type of reaction involves nucleophilic addition or substitution?

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

Which of the following statements about structural isomerism is correct?

<p>Structural isomers have the same molecular formula but different arrangements of atoms. (C)</p> Signup and view all the answers

Which of the following compounds would exhibit a strong absorption band in the IR spectrum due to the presence of an $\ce{O-H}$ bond?

<p>$\ce{CH3OH}$ (C)</p> Signup and view all the answers

Which of the following processes involves the breaking of a chemical bond?

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

In a homolytic bond cleavage, what happens to the shared pair of electrons?

<p>One electron goes to each atom involved in the bond. (A)</p> Signup and view all the answers

Which of the following statements about heterolytic bond cleavage is correct?

<p>Both electrons in the shared pair remain with one atom. (C)</p> Signup and view all the answers

Which of the following factors does not influence the strength of a chemical bond?

<p>The phase of the moon during bond formation (D)</p> Signup and view all the answers

Which of the following compounds undergoes homolytic bond scission?

<p>Methane (CHâ‚„) (B)</p> Signup and view all the answers

Which of the following compounds is a structural isomer of butadiene?

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

In the formation of a carboxylate ion from a carboxylic acid, which of the following processes occurs?

<p>Heterolytic bond scission (D)</p> Signup and view all the answers

Which of the following compounds is a monomer used in the synthesis of Teflon?

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

Which of the following processes involves the transfer of protons?

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