Qualitative Analysis One Shot | Lassaigne’s Test Explained Super Simply | Functional Group Tests

Qualitative Analysis of Organic Compounds is one of the most important topics of Class 11 Organic Chemistry, especially for CBSE, JEE, NEET, and board exams.
In this video, we cover the complete concept of Lassaigne’s Test (Sodium Fusion Test) and why organic compounds require special tests for detection of elements and functional groups.

This lecture explains:
• What is Qualitative Analysis?
• Why organic compounds need special detection methods
• Lassaigne’s Test principle
• Preparation of Lassaigne’s Extract (L.E.)
• Detection of Nitrogen, Sulphur, Halogens, Carbon & Hydrogen
• Tests for common functional groups in organic chemistry
The explanation is simple, exam-focused, and perfect for students preparing for competitive exams like JEE Mains, NEET, and school exams.

TIMESTAMPS
00:00 – Intro
00:30 – What is Qualitative Analysis
01:00 – Why Organic Compounds Need Special Tests
02:12 – Lassaigne’s Test (Sodium Fusion Test)
03:07 – Preparing Lassaigne’s Extract (L.E.)
04:58 – Detection of Nitrogen (N)
06:57 – Detection of Sulphur (S)
08:10 – Detection of Halogens (X)
09:35 – Detection of Carbon & Hydrogen
11:25 – Detection of Functional Groups
11:51 – Detection of Unsaturation
12:58 – Detection of Alcohols
14:12 – Detection of phenols
15:27 – Detection of Aldehydes and ketones
16:52 - Detection of Carboxylic acids
17:40 - Detection of Amines
19:03 – Summary table & takeaway

WHO SHOULD WATCH
• Class 11 Chemistry students
• CBSE / ISC / State Board students
• JEE / NEET aspirants
• Anyone wanting to understand organic qualitative analysis clearly
#qualitativeanalysis #lassaignetest #organicchemistryclass11 #class11chemistry #jeechemistry #neetchemistry
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💡 Smart Tip to Watch This Video:
For the best learning outcome –
Step 1: Watch at normal speed to fully grasp the concept with examples.
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