Iodine Test for Starch
5 Questions
2 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 purpose of the iodine test?

  • To detect the presence of protein
  • To detect the presence of sugar
  • To detect the presence of starch (correct)
  • To detect the presence of fat

What color does the iodine-iodide mixture turn when it interacts with helical amylose in the presence of starch?

  • Deep blue (correct)
  • Red
  • Light orange-brown
  • Green

Which two components make up the starch, a plant carbohydrate?

  • Glucose and fructose
  • Amylose and amylopectin (correct)
  • Cellulose and hemicellulose
  • Maltose and sucrose

What color does the iodine-iodide mixture have in an aqueous solution?

<p>Light orange-brown (A)</p> Signup and view all the answers

Which type of polysaccharide is amylopectin?

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

Study Notes

Starch and Iodine Test

  • The purpose of the iodine test is to detect the presence of starch in a substance.

Composition of Starch

  • Starch, a plant carbohydrate, consists of two components: amylose and amylopectin.

Iodine Test Reaction

  • When iodine-iodide mixture interacts with helical amylose in the presence of starch, it turns blue-black in color.

Characteristics of Iodine-Iodide Mixture

  • In an aqueous solution, the iodine-iodide mixture has a brown color.

Type of Polysaccharide

  • Amylopectin is a type of branched polysaccharide.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

Description

Test your knowledge of the iodine test for starch detection with this quiz. Explore the chemistry behind the test and learn how iodine reacts with starch to produce a characteristic color change.

More Like This

Identification of Starch in Milk
12 questions
Starch Identification in Milk
9 questions
Iodine Test for Starch
5 questions

Iodine Test for Starch

BrilliantErbium avatar
BrilliantErbium
Use Quizgecko on...
Browser
Browser