Carbohydrates: Classification and General Characteristics
13 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the empirical formula for carbohydrates composed of C, H, and O?

  • (C5H10O5)5
  • (CHO)5
  • (CH3O)5
  • (CH2O)5 (correct)

Which functional groups can carbohydrates contain?

  • Alkene group
  • Aldehyde group or keto group (correct)
  • Nitro group
  • Carboxylic acid group

What is the simplest aldose sugar?

  • Ribose
  • Galactose
  • Glucose
  • Lactose
  • D-glyceraldehyde (correct)

How are monosaccharides classified according to the number of carbon atoms?

<p>By the number of carbon atoms (D)</p> Signup and view all the answers

What is the general term for compounds that have a large number of hydroxyl groups?

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

Which type of carbohydrates are classified as either homopolysaccharides or heteropolysaccharides?

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

Which type of isomerism determines whether a sugar belongs to the D or L series?

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

Which monosaccharide naturally occurs in the L form?

<p>L-Arabinose (D)</p> Signup and view all the answers

What confers optical activity on a compound?

<p>Presence of asymmetric carbon atoms (A)</p> Signup and view all the answers

What causes isomers differing in configuration at carbons 2, 3, or 4 of glucose?

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

Which type of isomerism produces isomers differing by the orientation of –OH groups around only one of the middle asymmetric carbons?

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

Which sugar naturally occurs in the D(–) isomeric form?

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

What determines whether a sugar belongs to the D or L series?

<p>-OH position on carbon 5 (D)</p> Signup and view all the answers

More Like This

Carbohydrates
5 questions

Carbohydrates

HopefulNovaculite5783 avatar
HopefulNovaculite5783
Carbohydrates in nutrition
5 questions
Use Quizgecko on...
Browser
Browser