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NEET 2023 Crash Course | All Named Reaction in One Shot | Unacademy NEET English | HSP
UNACADEMY NEET ENGLISH
ORGANIC NAMING REACTIONS IN ONE SHOT
Welcome back to the Neat English Channel! In this session, we will cover all the organic naming reactions in one shot. Our chemistry expert, HSP Sir, will discuss the most important naming reactions from your NCRT book. Make sure to take note of everything he teaches, as it will be crucial for your NEET 2023 exam.
In organic chemistry, we deal with reactants, reagents, products, and sometimes intermediates. Intermediates are important for understanding reaction mechanisms. In this session, we will focus only on the relevant information for your exam.
MEMORY CHART: BENZENE TO BENZYL ALCOHOL
Let’s start with a memory chart to help you understand the conversions from benzene to benzyl alcohol.
Benzene to Toluene (Cradle Craft Alkylation): Reactant – Benzene, Reagent – Methyl Chloride and Anhydrous AlCl3
Toluene to Benzyl Chloride (Free Radical Substitution): Reactant – Toluene, Reagent – Cl2 and sunlight (or temperature 350-500°C)
Benzyl Chloride to Benzyl Alcohol (Nucleophilic Substitution): Reactant – Benzyl Chloride, Reagent – KOH (Aqueous Solution of Potassium Hydroxide)
Make sure to understand the type of reaction for each conversion. The Cradle Craft Alkylation is an electrophilic substitution reaction, the conversion from Toluene to Benzyl Chloride is a free radical substitution reaction, and the conversion from Benzyl Chloride to Benzyl Alcohol is a nucleophilic substitution reaction.
Remember, this memory chart will be highly beneficial for your exam preparation. Take note of the reactions and reagents, as they will help you answer questions related to organic conversions.
Hope you found this session helpful! Have an amazing time preparing for your exam. Goodbye!
Thumbs up in the chat section is the only medium for the teacher to understand if everything is clear and audible. The important question is how to convert benzyl alcohol to benzaldehyde. The best reagent to use is PCC (pyridinium chlorochromate) or anhydrous cro3. To convert benzaldehyde to benzoic acid, the reagent to use is K2Cr2O7 in acidic medium. If ammonia and heat are used, benzamide is obtained. Benzamide can be converted to aniline using br2qh or KOBr. To convert benzene to aniline, react it with concentrated HNO3 and H2SO4 to get nitrobenzene, then reduce it in the presence of Sn and HCl to get aniline. To convert toluene to benzaldehyde in one step, use the Itard reaction with bromyl chloride, cro2cl2, carbon tetrachloride, and H3O+. To convert toluene to benzoic acid in one step, use KMnO4, KOH, and heat. The aldol condensation reaction is important and involves an aldehyde or ketone with at least two alpha acidic hydrogens and dilute NaOH or KOH. The product is a beta hydroxy aldehyde or ketone.
BENZYL ALCOHOL TO BENZALDEHYDE
Use PCC (pyridinium chlorochromate) or anhydrous cro3 as the reagent.
BENZALDEHYDE TO BENZOIC ACID
Use K2Cr2O7 in acidic medium as the reagent.
BENZENE TO ANILINE
React benzene with concentrated HNO3 and H2SO4 to get nitrobenzene, then reduce it in the presence of Sn and HCl to get aniline.
TOLUENE TO BENZALDEHYDE
Use the Itard reaction with bromyl chloride, cro2cl2, carbon tetrachloride, and H3O+.
TOLUENE TO BENZOIC ACID
Use KMnO4, KOH, and heat.
ALDOL CONDENSATION REACTION
React an aldehyde or ketone with at least two alpha acidic hydrogens with dilute NaOH or KOH to obtain a beta hydroxy aldehyde or ketone.