What is the molecular form of benzoic acid?
Table of Contents
- 1 What is the molecular form of benzoic acid?
- 2 Is benzoic acid a pH?
- 3 At what pH is benzoic acid soluble in water?
- 4 What makes benzoic acid acidic?
- 5 Is 2 methoxybenzoic acid water soluble?
- 6 Why benzoic acid is less soluble in water?
- 7 Is benzoic acid a crystalline?
- 8 Is benzoic acid amorphous or crystalline?
What is the molecular form of benzoic acid?
Chemical Data
| Benzoic Acid Formula | C7H6O2 or C6H5COOH |
|---|---|
| Molecular Weight/ Molar Mass | 122.12 g/mol |
| Density | 1.27 g/cm3 at 15oC |
| Boiling Point | 523K |
| Melting Point | 395 K |
Is benzoic acid a pH?
Benzoic acid (BA) is a commonly used antimicrobial preservative in food and beverages, especially in carbonated beverages, as it presents its strongest antibacterial activity at pH 2.5–4.0.
At what pH is benzoic acid soluble in water?
It was observed that the benzoic acid remains un-dissociated monomer molecular form in aqueous layer and as dimer associated form in organic layer. Solubility of benzoic acid in distilled water was found to be 0.142 + 0.033 g/100 g of water and at different pH 4.0, pH 7.0 and pH 9.0 was found to be 0.153+0.
Why do you think benzoic acid can be dissolved in hot water although it is an organic solute?
Benzoic acid has low solubility in room-temperature water because the bulk of the molecule is non-polar. At higher temperatures, solubility increases.
Why benzoic acid is crystalline?
Benzoic acid is colourless solid, obtained from the gum benzoin. The compound has the appearance of white needles, which makes it look crystalline in appearance.
What makes benzoic acid acidic?
Electron-withdrawing groups deactivate the benzene ring to electrophilic reactions and make benzoic acids more acidic. Electron-donating groups activate the benzene ring to electrophilic reactions and make benzoic acids less acidic.
Is 2 methoxybenzoic acid water soluble?
3D Structure for HMDB0032604 (2-Methoxybenzoic acid)
| Property | Value | Source |
|---|---|---|
| Water Solubility | 3.01 g/L | ALOGPS |
| logP | 10(1.67) g/L | ALOGPS |
| logP | 10(1.47) g/L | ChemAxon |
| logS | 10(-1.7) g/L | ALOGPS |
Why benzoic acid is less soluble in water?
Benzoic acid is less soluble in water than acetic acidbecause benzoic acid has a benzene moiety attached to it which is purely organic and non-polar in nature this decreases its solubility in water while ethanoic acid is more soluble because the organic part is smaller in size so it is can easily form Hydrogen bonds .
Why does benzoic acid dissolve in hot water?
The benzoic acid solubility in water is due to hydrogen bond formation and its increasing solubility with temperature is due to the fact that with increase in temperature, the hydrogen bonding in water weakens and it re-establishes hydrogen bond forces with benzoic acid at a particular temperature.
Does benzoic acid soluble in hot water?
Benzoic acid /bɛnˈzoʊ. ɪk/ is a white (or colorless) solid with the formula C6H5CO2H. It is the simplest aromatic carboxylic acid….Benzoic acid.
| Names | |
|---|---|
| Boiling point | 250 °C (482 °F; 523 K) |
| Solubility in water | 1.7 g/L (0 °C) 2.7 g/L (18 °C) 3.44 g/L (25 °C) 5.51 g/L (40 °C) 21.45 g/L (75 °C) 56.31 g/L (100 °C) |
Is benzoic acid a crystalline?
Benzoic acid appears as a white crystalline solid. Slightly soluble in water. It is a conjugate acid of a benzoate.
Is benzoic acid amorphous or crystalline?
Benzoic acid is a crystalline solid. Teflon is an amorphous solid.