Aldehydes & Ketones | Lecture 10 | Fehling’s Test & Iodoform Test | JEE | NEET | Class 12
Автор: RAMAN IIT KHARAGPUR
Загружено: 2025-12-15
Просмотров: 54
Описание:
🔹 1️⃣ Fehling’s Test
✔ Reagents: Fehling A (CuSO₄) + Fehling B (alkaline sodium potassium tartrate)
✔ Oxidation of aliphatic aldehydes
✔ Formation of brick-red Cu₂O precipitate
🔸 Key Points
Why aliphatic aldehydes give positive test
Why aromatic aldehydes do NOT respond
Why ketones fail Fehling’s test
JEE & NEET conceptual traps
🔹 2️⃣ Iodoform Test
✔ Reagent: I₂ / NaOH
✔ Formation of yellow CHI₃ (iodoform) precipitate
🔸 Compounds Giving Positive Test
Methyl ketones (–COCH₃)
Ethanol & acetaldehyde
Alcohols containing –CHOH–CH₃ group
🔸 Key Concepts
Structural requirement for iodoform test
Why acetaldehyde gives test but others don’t
Reaction mechanism (JEE Advanced focus)
🎯 Best For
JEE Main aspirants
JEE Advanced aspirants
NEET aspirants
Class 12 CBSE students
Повторяем попытку...
Доступные форматы для скачивания:
Скачать видео
-
Информация по загрузке:
