Chemistry Exam > Chemistry Videos > Organic Chemistry > Detection of Elements: Lassaigne’s Test
Detection of Elements: Lassaigne’s Test Video Lecture | Organic Chemistry
|
35 videos|92 docs|46 tests
|
FAQs on Detection of Elements: Lassaigne’s Test Video Lecture - Organic Chemistry
| 1. What is Lassaigne's test? |  |
Ans. Lassaigne's test is a chemical test used to detect the presence of elements like nitrogen, sulfur, halogens, and carbon in organic compounds. It involves the conversion of these elements into water-soluble compounds that can be easily detected.
| 2. How is Lassaigne's test performed? | |
Ans. Lassaigne's test is performed by taking a small amount of the organic compound and heating it with sodium metal. This converts the elements present in the compound into sodium salts. The resulting mixture is then dissolved in water and treated with various reagents to identify the specific elements.
| 3. What are the steps involved in Lassaigne's test? | |
Ans. The steps involved in Lassaigne's test are as follows:
1. Take a small amount of the organic compound and mix it with powdered sodium metal.
2. Heat the mixture strongly in a test tube.
3. Add distilled water to the mixture and shake it vigorously.
4. Filter the mixture to remove any insoluble impurities.
5. Transfer the filtrate to a new test tube and add a few drops of ferrous sulfate solution.
6. Acidify the solution with dilute sulfuric acid and add a few drops of potassium permanganate solution.
7. Observe any color changes or precipitates formed, which indicate the presence of specific elements.
| 4. What elements can be detected using Lassaigne's test? | |
Ans. Lassaigne's test can detect elements like nitrogen, sulfur, halogens (chlorine, bromine, iodine), and carbon in organic compounds. By converting these elements into water-soluble compounds, their presence can be identified through various chemical reactions and observations.
| 5. What are the applications of Lassaigne's test? | |
Ans. Lassaigne's test is widely used in organic chemistry for the qualitative detection of elements in organic compounds. It helps in identifying the presence of specific elements, which is crucial in determining the structure and properties of organic molecules. This test is particularly useful in forensic analysis, drug testing, and environmental monitoring where the identification of elements is essential.
About this Video
|
4.82/5 Rating |
|
Nov 15, 2024 Last updated |
Video Description: Detection of Elements: Lassaigne’s Test for Chemistry 2024 is part of Organic Chemistry preparation.
The notes and questions for Detection of Elements: Lassaigne’s Test have been prepared according to the Chemistry exam syllabus.
Information about Detection of Elements: Lassaigne’s Test covers all important topics for Chemistry 2024 Exam.
Find important definitions, questions, notes, meanings, examples, exercises and tests below for Detection of Elements: Lassaigne’s Test.
Introduction of Detection of Elements: Lassaigne’s Test in English is available as part of our Organic Chemistry for Chemistry & Detection of Elements: Lassaigne’s Test in
Hindi for Organic Chemistry course. Download more important topics related with notes, lectures and mock test series for
Chemistry Exam by signing up for free.
Description
Video Lecture & Questions for Detection of Elements: Lassaigne’s Test Video Lecture | Organic Chemistry - Chemistry full syllabus preparation | Free video for Chemistry exam to prepare for Organic Chemistry.
Information about Detection of Elements: Lassaigne’s Test
Here you can find the meaning of Detection of Elements: Lassaigne’s Test defined & explained in the simplest way possible.
Besides explaining types of Detection of Elements: Lassaigne’s Test theory, EduRev gives you an ample number of questions to practice Detection of Elements: Lassaigne’s Test tests,
examples and also practice Chemistry tests.
|
35 videos|92 docs|46 tests
|
|
Explore Courses for Chemistry exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
Related Searches
Detection of Elements: Lassaigne’s Test Video Lecture | Organic Chemistry
,Extra Questions
,Objective type Questions
,Detection of Elements: Lassaigne’s Test Video Lecture | Organic Chemistry
,MCQs
,Semester Notes
,Previous Year Questions with Solutions
,study material
,practice quizzes
,past year papers
,Free
,Exam
,video lectures
,Sample Paper
,Summary
,mock tests for examination
,Viva Questions
,Important questions
,shortcuts and tricks
,ppt
,Detection of Elements: Lassaigne’s Test Video Lecture | Organic Chemistry
;
Study Detection of Elements: Lassaigne’s Test on the App
Students of Chemistry can study Detection of Elements: Lassaigne’s Test alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the Detection of Elements: Lassaigne’s Test,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of Detection of Elements: Lassaigne’s Test is prepared as per the latest Chemistry syllabus.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup