🔥ORGANIC CHEMISTRY ALL CONVERSIONS ONE SHOT | UNFILTERED CLASSES

Описание: This video provides a comprehensive one-shot lecture on organic chemistry conversions for CBSE Class 12, focusing on exam-oriented approaches and quick revision. The instructor outlines six key rules to tackle various conversions:

Rule 1: Oxidation and Reduction (0:18-4:20)
Oxidation: Converting alcohols to carboxylic acids using oxidizing agents like K2Cr2O7 (1:06-2:24). This involves first converting alcohol to aldehyde, then aldehyde to carboxylic acid.
Reduction: Converting carboxylic acids to alcohols using reducing agents like Lithium Aluminum Hydride (LiAlH4) (2:36-3:38). This is the reverse process, going from carboxylic acid to aldehyde, then to alcohol.

Rule 2: Increasing Carbon Atoms (4:24-8:10)
This rule focuses on increasing the carbon chain length in conversions.
Wurtz Reaction: Doubles the number of carbon atoms, leading to even-numbered carbon chains (4:59-6:10). Reagents: Ether in the presence of Sodium.
Corey-House Synthesis: Increases carbon atoms by one, leading to odd-numbered carbon chains (5:05-6:16). Reagents: Copper Iodide with Lithium, in the presence of alkyl halide.
Example: Methane to Butane conversion using Wurtz reaction (6:21-8:06).

Rule 3: Decreasing Carbon Atoms (8:34-12:42)
This rule explains how to reduce the number of carbon atoms in a conversion.
The primary reagent for decreasing carbon atoms from a carboxylic acid to an alkane (with one less carbon) is Soda Lime (9:06-9:25).
Example: Propane to Ethane conversion (9:34-12:01) by a multi-step process involving activation, conversion to alcohol, then aldehyde, then carboxylic acid, and finally using soda lime to get the alkane with one less carbon.

Rule 4: Bond Conversions (Single, Double, Triple Bonds) (12:51-16:06)
Single to Double Bond: Use Alcoholic KOH (13:21-13:42).
Double to Triple Bond: Use NaNH2 (13:46-13:52).
Triple to Double Bond (Reverse): Use Nickel + H2 (13:55-14:00).
Double to Single Bond (Reverse): Use Nickel + H2 (14:01-14:06).
Example: Ethane to Ethyne and Ethyne to Ethane conversions (14:13-15:48).

Rule 5: Conversions Involving Amines and Amides (16:16-21:58)
Alcohol to Amine: Use Lucas Reagent (HCl + ZnCl2), followed by NH3 (16:36-17:41).
Amine to Alcohol: Use Nitrous Acid (HNO2) (17:46-18:07).
Amide to Amine: Use Hoffmann Bromamide Degradation Reaction (Br2 + KOH) (18:13-19:00).
Amine to Amide: This is a multi-step process involving converting amine to alcohol (using HNO2), then to aldehyde and carboxylic acid (using K2Cr2O7), and finally reacting with NH3 and heating to form the amide (19:06-21:58).

Rule 6: Conversions Involving Nitro Group (22:05-28:09)
Nitro to Amine: Use reducing agents like Lithium Aluminum Hydride (LiAlH4) (22:15-22:43).
Amine to Nitro: This involves converting amine to alcohol (using HNO2), then alcohol to alkane (using HI + Red Phosphorus), and finally alkane to nitro group (using Nitric Acid HNO3) (22:49-25:06).
The video concludes with a comprehensive example demonstrating multiple rules: Propanol to Ethyne (25:27-27:58), which involves decreasing carbon atoms and changing bond types

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