Organic Chemistry Quiz on Prefixes and Structures
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Questions and Answers

What does the prefix 'iso-' indicate in organic chemistry?

  • A carbon chain with a maximum of eight carbon atoms
  • A non-branched carbon chain
  • A methyl group attached to the second carbon atom (correct)
  • Two methyl groups attached to the second carbon atom

Which alkyl group is represented by three carbon atoms?

  • Hexyl
  • Methyl
  • Propyl (correct)
  • Butyl

What type of carbon atom is defined as being connected to three other carbon atoms?

  • Primary (1°)
  • Quaternary (4°)
  • Tertiary (3°) (correct)
  • Secondary (2°)

Which prefix is used to indicate a non-branched carbon chain?

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

Which alkane has two methyl groups attached to the second carbon in its chain?

<p>neo-hexane (A)</p> Signup and view all the answers

What should be avoided when constructing a stem for a question?

<p>Including irrelevant material (B)</p> Signup and view all the answers

Which of the following is NOT a guideline for constructing options for multiple-choice questions?

<p>Options should provide clues to the correct answer (B)</p> Signup and view all the answers

What is a key characteristic of plausible distractors in multiple-choice questions?

<p>They should be homogenous in content (A)</p> Signup and view all the answers

In constructing questions, which of the following is advisable regarding the use of the phrase 'all of the above'?

<p>It should be avoided (D)</p> Signup and view all the answers

Which aspect is essential for a question's correct answer?

<p>It must be a plausible option (A)</p> Signup and view all the answers

Flashcards

Atomic Concept

A fundamental, indivisible unit of a topic or idea.

Testing Effect

Improved memory through retrieval practice by actively recalling information.

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Key Concepts

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Simple Explanations

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n- prefix in Alkanes

Indicates a non-branched carbon chain in an alkane.

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iso- prefix in Alkanes

Indicates an alkane with a methyl group attached to the second carbon of the continuous chain.

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neo- prefix in Alkanes

Indicates an alkane with two methyl groups attached to the second carbon atom in the main chain.

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Alkyl Group

A group of atoms consisting of carbon and hydrogen that is derived from an alkane by removing one hydrogen atom.

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Primary Carbon Atom (1°)

A carbon atom attached to only one (or zero) other carbon atoms in an alkane.

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