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Home/Carboxylic acid

Acidity

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Question#1

Among the following acids which has the lowest pKa value [AIEEE 2005]

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Question#2

Which of the following is most acidic [MP PET 2004]

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Question#3

Consider the acidity of the carboxylic acids,

\( (a) \  Ph-COOH \)

\( (b) \  o - NO_2C_6H_4COOH \) 

\( (c)\  p -NO_2C_6H_4COOH \)

\( (d) \  m -NO_2C_6H_4COOH \) 

Which of the following order is correct? [AIEEE 2004]

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Question#4

The weakest acid among the following is [CPMT 1976, 82, 89; BHU 1982; CBSE PMT 1991; MP PMT 1989; Roorkee 1992; RPET 1999]

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Question#5

Which one of the following has the maximum acid strength [NCERT 1983]

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1.    Introduction To Fundamental
         Atomic Mass
         Empirical formula
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         Common ion effect
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         Lowry-Bronsted acid base concept
7.    Reaction kinetics
         Rate of reaction
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11.    s and p block Elements
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         Reactions of group 1 elements( Alkali metals)
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12.    Transition Elements
         Introduction
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13.    Fundamental Concepts of Organic Chemistry
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         The Special features of carbon chemistry
         Classification of organic compounds based on carbon skeleton
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         Stereo Isomerism
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14.    Chemistry Of Hydrocarbons
         Introduction
         IUPAC Naming
         Physical Properties of Alkane Alkene and Alkynes
         Preparations Of Alkanes
         Preparation of alkenes
         Preparations Of alkynes
         Reactivity Of Alkanes
         Reactivity Of alkene
         Reaction Of Alkyne
         Acidity Of terminal Alkynes
         Reactivity comparison of Hydrocarbons
15.    Benzene
         IUPAC Naming and classification
         Physical properties of benzene
         Molecular orbital Aspects
         Resonance energy and Stability of benzene
         Preparation of benzene
         Reactivity and reactions ( catalytic Hydrogenation, Oxidation, Nitration, Halogenation, Sulphonation )
         Fridel Craft Alkylation and Acylation
         Substituent effects
16.    Alcohol and phenols
         Naming and Designation Of Alcohols
         Physical properties of Alochols
         Preparations of Alcohols
         Reactivity of Alcohols
         Predicting Relative acidity of alcohols
         iodoform test
         Lucas test
         Naming of aromatic hydroxy groups (phenol)
         Physical properties of phenol
         Preparation Of phenols
         Reactions of phenols
         Acidity of Phenols
         Identification test for Phenol
17.    Alkyl halides
         IUPAC system
         Preparations of alkyl halides
         Reactivity of Alkyl halides
         SN1 & SN2
         E1 & E2
         Nucleophile and Base
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         Organomettalic Compound (Grignard Reagent)
18.    Aldehyde and ketones
         Nomenclature and structure of Aldehyde and ketones
         preparation of Ald & Ket
         Relative Reactivity of carbonyls
         Addition Of HCN and NaHSO3 to Carbonyls
         Aldol condensation
         Cannizaro's reaction
         Addition Elimination reactions
         oxidation reduction Reactions of carbonyls
         Identifications Reactions
19.    Carboxylic acid
         Nomenclature
         Physical properties
         Preparation of carboxylic acid by ( carbonation of Grignard reagent, Hydrolysis of Nitriles, oxidation of alcohols and aldehydes , oxidative cleavage of Alkene,
         Reaction involving H-atom of the carboxylic acid
         Reaction involving the OH-group of carboxylic acid
         Reaction involving Carboxyl group (-COOH)
         Acidity
         Tests for carboxylic Group
         Preparation and Reactions of carboxylic acid derivatives
20.    Macromolecules