Acidity of Carboxylic Acids
Trending Questions
The correct order of increasing acidic strength is
phenol ethanol chloroacetic acid acetic acid
ethanol phenol chloroacetic acid acetic acid
ethanol phenol acetic acid chloroacetic acid
chloroacetic acid acetic acid phenol ethanol
Why is electron-withdrawing?
The correct order for the acidic character of the following carboxylic acid is ?
IV > I > II > III > V
V > II > III > I > IV
V > II > IV > III > I
V > II > IV > I > III
- C > D > B > A
- D > C > B > A
- C > B > A > D
- B > C > D > A
react with Chlorine to form?
- CH3COOH
- HCOOH
How will you show that nascent hydrogen is more reactive than ordinary hydrogen?
- I > II > III > IV
- IV > III > II > 1
- II > IV > III > I
- I > III > IV > II
Methyl group
Carboxylic acid group
Methylene group
- Bicarbonate
(i) Oxalic acid
(ii) Succinic acid
(iii) Malonic acid
(iv) Adipic acid
- iii < ii < i < iv
- i < ii < iii < iv
- iv < iii < ii < i
- iv < ii < iii < i
- Cl3CCOOH
- CHCl2COOH
- ClCH2COOH
- CH3−COOH
- I > II > III > IV
- IV > III > II > 1
- II > IV > III > I
- I > III > IV > II
Intermolecular hydrogen bonding
Formation of dimers
Highly acidic hydrogen
- Resonance stabilization of their conjugate base
- CH3CHFCOOH
- FCH2CH2COOH
- BrCH2CH2COOH
- CH3CHBrCOOH
- CH3COOH
- HCOOH
having the same molecular weight, the one with highest boiling point and reason are
Alcohol , H - bonding
Acid, cyclic dimer due to H - bonds
Alcohols , vander walls forces
All have same boiling point
Absence of α−hydrogen
Resonance stabilisation of the carboxylate ion
High reactivity of α−hydrogen
- Hydrogen bonding
- C > D > B > A
- D > C > B > A
- C > B > A > D
- B > C > D > A
- CH3COOK+CF3COOH→CH3COOH+CF3COOK
- CH3CH2OH+NaHCO3→CH3CH2ONa+H2O+CO2
- D < B < C < A
- A < B < C < D
- C < B < A < D
- D < C < B < A
- I is more acidic than II
- I is less acidic than II
- III is less acidic than IV
- III is more acidic than IV
Which of the following gives effervescences of CO2 with NaHCO3 solution ?
HCOOH
2, 4, 6 - Trinitrophenol
Both
None
- Oxalic acid < succinic acid < adipic acid
- Oxalic acid < adipic acid < succinic acid
- Adipic acid < succinic acid < oxalic acid
- None of the above
The reagent employed to distinguish between phenol and salicylic acid is
Sodium bicarbonate
Neutral ferric chloride
Bromine water
Silver nitrate
- Oxalic acid < formic acid < acetic acid
- Oxalic acid < acetic acid < formic acid
- Acetic acid < formic acid < oxalic acid
- None of the above
1CH3−1CH2−O||C−3CH2−O||C−O−C4H2 5CH3
- 1
- 2
- 3
- 4
- CH2FCOOH
- CH2ClCOOH
- CHCl2COOH
- CHF2COOH
1. CH3COOH 2. MeOCH2COOH
3. CF3COOH 4. (Me)2CHCOOH
- 2 < 4 < 1 < 3
- 4 < 1 < 2 < 3
- 4 < 1 < 3 < 2
- 1 < 4 < 3 < 2
- CH3COOH
- HCOOH
- (CH3)2CH−COOH
- CH3CH2COOH