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Mnemonics: Aldehydes, Ketones and Carboxylic Acids | Chemistry Class 12 - NEET PDF Download

Mnemonics for Aldehydes, Ketones and Carboxylic Acids - Class 12 Chemistry

Types of Carbonyl Compounds

Types: Aldehydes, Ketones, Carboxylic Acids

Mnemonic: "Aparna Kick Carts"

Breakdown:

  • Aparna - Aldehydes
  • Kick - Ketones
  • Carts - Carboxylic Acids

Mnemonics: Aldehydes, Ketones and Carboxylic Acids | Chemistry Class 12 - NEET

Methods of Preparation of Aldehydes

Types: From Alcohols, From Alkenes, From Nitriles

Mnemonic: "Ants Always Nibble"

Breakdown:

  • Ants - From Alcohols
  • Always - From Alkenes
  • Nibble - From Nitriles

Methods of Preparation of Ketones

Types: From Alcohols, From Acyl Chlorides, From Nitriles

Mnemonic: "Apes Attack Nuts"

Breakdown:

  • Apes - From Alcohols
  • Attack - From Acyl Chlorides
  • Nuts - From Nitriles

Reactions of Aldehydes and Ketones

Types: Nucleophilic Addition, Reduction, Oxidation, Cannizzaro Reaction

Mnemonic: "Nervous Rats Overeat Candy"

Breakdown:

  • Nervous - Nucleophilic Addition
  • Rats - Reduction
  • Overeat - Oxidation
  • Candy - Cannizzaro Reaction

Question for Mnemonics: Aldehydes, Ketones and Carboxylic Acids
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What does 'Aparna' represent in the mnemonic for carbonyl compounds?
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Tests to Distinguish Aldehydes and Ketones

Types: Fehling’s Test, Tollens’ Test, Schiff’s Test

Mnemonic: "Freddy Taste Sugar"

Breakdown:

  • Freddy - Fehling’s Test
  • Taste - Tollens’ Test
  • Sugar - Schiff’s Test

Methods of Preparation of Carboxylic Acids

Types: From Alcohols, From Aldehydes, From Nitriles

Mnemonic: "Alvin Annoys Nun"

Breakdown:

  • Alvin- From Alcohols
  • Annoys - From Aldehydes
  • Nun - From Nitriles

Mnemonics: Aldehydes, Ketones and Carboxylic Acids | Chemistry Class 12 - NEET

Reactions of Carboxylic Acids

Types: Esterification, Decarboxylation, Reduction, Halogenation

Mnemonic: "Elephants Dance Rapidly High"

Breakdown:

  • Elephants - Esterification
  • Dance - Decarboxylation
  • Rapidly - Reduction
  • High - Halogenation

Physical Properties of Aldehydes, Ketones, and Carboxylic Acids

Types: Boiling Point, Solubility, Odour

Mnemonic: "Brother Smells Odd"

Breakdown:

  • Brother- Boiling Point
  • Smells - Solubility
  • Odd - Odour
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FAQs on Mnemonics: Aldehydes, Ketones and Carboxylic Acids - Chemistry Class 12 - NEET

1. What are the key structural differences between aldehydes and ketones?
Ans.Aldehydes contain a carbonyl group (C=O) at the end of the carbon chain, while ketones have the carbonyl group located within the carbon chain. This structural difference leads to variations in their chemical properties and reactivity.
2. How do you identify a carboxylic acid in a chemical structure?
Ans.A carboxylic acid can be identified by the presence of a carboxyl group (-COOH) in its structure. This group consists of a carbonyl (C=O) and a hydroxyl group (-OH) attached to the same carbon atom, which is characteristic of carboxylic acids.
3. What are some common reactions that aldehydes undergo?
Ans.Aldehydes commonly undergo several reactions, including oxidation to form carboxylic acids, reduction to form alcohols, and nucleophilic addition reactions, where they react with nucleophiles due to the electrophilic nature of the carbonyl carbon.
4. What mnemonic can help remember the functional groups of aldehydes, ketones, and carboxylic acids?
Ans.A useful mnemonic is "A Kid Can Always" where "A" stands for Aldehydes, "K" for Ketones, "C" for Carboxylic acids, and "A" for their functional groups: -CHO, -C(=O)-R, and -COOH respectively. This helps in recalling their names and structures.
5. Why are carboxylic acids considered more acidic than alcohols?
Ans.Carbocylic acids are more acidic than alcohols because they can donate a proton (H+) more readily due to the resonance stabilization of the carboxylate ion formed after deprotonation. In contrast, alcohols do not have similar resonance stabilization, making them weaker acids.
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