Alcohols

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

What is the main reason why alcohols up to pentanol are fully soluble in water?

  • The hydrophilic part of the molecules dominates (correct)
  • The hydrocarbon part of the molecules dominates
  • The alkene part of the molecules dominates
  • The hydrophobic part of the molecules dominates

Which method of forming alcohols leads to anti-Markovnikov alcohols?

  • Brute-force hydration
  • Oxymercuration
  • Hydroboration (correct)
  • Reduction of carbonyl compounds

What type of diol is formed by using OsO4?

  • Trans-diols
  • Anti-diols
  • Syn-diols (correct)
  • Cis-diols

What is the primary alcohol formed from?

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

Which reducing agent is not strong enough to reduce alkene groups or benzene rings?

<p>NaBH4 (D)</p> Signup and view all the answers

What is the primary reason why even small alcohols are liquids?

<p>Due to their ability to undergo hydrogen bonding (D)</p> Signup and view all the answers

What is the main difference between the oxymercuration and hydroboration methods of hydration?

<p>The stereochemistry of the product, with oxymercuration giving Markovnikov addition and hydroboration giving anti-Markovnikov addition (B)</p> Signup and view all the answers

What is the primary reason why higher alcohols are not highly soluble in water?

<p>Due to the hydrophobic portion of the molecule taking over (B)</p> Signup and view all the answers

What is the product of the reaction between an alkene and OsO4?

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

What is the main difference between the reducing agents NaBH4 and LiAlH4?

<p>NaBH4 is more selective, while LiAlH4 is more reactive (B)</p> Signup and view all the answers

What is the primary reason for the formation of a mixture of alkenes during dehydration of alcohols?

<p>The alkene products are highly substituted (C)</p> Signup and view all the answers

What is the primary limitation of Grignard reagents in forming alcohols?

<p>They have limitations in terms of the types of aldehydes and ketones they can react with (D)</p> Signup and view all the answers

What is the mechanism of the Grignard reaction with aldehydes and ketones?

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

What type of bond is formed during the reaction of a Grignard reagent with an aldehyde or ketone?

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

What is the electronic structure of a Grignard reagent?

<p>R-Mg-X, where R is an alkyl group and X is a halogen (A)</p> Signup and view all the answers

What is the primary reason for the use of very dry ether in the formation of Grignard reagents?

<p>To prevent the reaction of the Grignard reagent with water (A)</p> Signup and view all the answers

What is the primary difference between the alkenes formed during dehydration of alcohols?

<p>The degree of substitution (B)</p> Signup and view all the answers

What is the primary reason for the formation of a primary alcohol during the reaction of a Grignard reagent with formaldehyde?

<p>The reaction involves a nucleophilic addition mechanism (C)</p> Signup and view all the answers

What is the primary limitation of aldehydes in reacting with Grignard reagents?

<p>They can only react with certain types of Grignard reagents (B)</p> Signup and view all the answers

What is the primary reason for the oxidation of primary alcohols to carboxylic acids?

<p>The formation of an aldehyde intermediate (A)</p> Signup and view all the answers

Flashcards are hidden until you start studying

Related Documents

Use Quizgecko on...
Browser
Browser