Is 2-nitrophenol acidic or basic?
Is 2-nitrophenol acidic or basic?
2,4,6 -Trinitrophenol is more acidic than the 2- Nitrophenol because a compound is more acidic if it can easily release H+ in the solution. NO2 has an electron withdrawing effect and pulls the electron density towards itself. Since, 2,4,6 -Trinitrophenol contains Three NO2 groups in comparison to one in 2- Nitrophenol.
What is the pKa of 2-nitrophenol?
The pKa value for phenol is 10.0, and two series of substituted phenols are given: 2-fluorophenol, 3-fluorophenol, and 4-fluorophenol have pKa values of 8.7, 9.3, and 9.9, respectively; 2-nitrophenol, 3-nitrophenol, and 4-nitrophenol have pKa values of 7.2, 8.4, and 7.2, respectively.
Why does 4-nitrophenol have a higher boiling point than 2-nitrophenol?
Hence, Boiling point of 2-nitrophenol is lower than that of 4-nitrophenol because of formation of intramolecular hydrogen bonds.
What is the melting point of 3-nitrophenol?
96 – 98 °C
Pricing & Availability
| Physicochemical Information | |
|---|---|
| Ignition temperature | 400 °C |
| Melting Point | 96 – 98 °C |
| pH value | 6.6 – 8.6 (H₂O, 20 °C) |
| Bulk density | 640 kg/m3 |
Why Ortho nitrophenol has lower melting point than para nitrophenol?
Intermolecular hydrogen bonding results in a molecular association. This increases boiling point. Hence, O-nitrophenol contains a lower boiling point than P-nitrophenol.
What type of hydrogen bonding is 2-nitrophenol?
Intramolecular Hydrogen Bonding
Intramolecular Hydrogen Bonding and Molecular Geometry of 2-Nitrophenol from a Joint Gas-Phase Electron Diffraction and ab Initio Molecular Orbital Investigation.
Which is more acidic 3 nitrophenol or 2-nitrophenol and why?
1) 4-nitrophenol (1) has a pKa of 7.15, while 3-nitrophenol (2) is slightly less acidic with a pKa of 8.36.
Which has greater melting point o-nitrophenol or p-nitrophenol?
p-nitrophenol has higher boling point than o-nitrophenol.
Why auto nitrophenol has lower melting point than para nitrophenol?
P-nitrophenol shows intermolecular hydrogen bonding. So it has higher bonding point. Whereas o-nitrophenol shows intra molecular H-bonding hence lower boiling point.
Which is more acidic 3-nitrophenol or 2-nitrophenol and why?
Which is more acidic para nitrophenol or meta nitrophenol?
Thus, ortho and para-nitrophenols are more acidic than m-nitrophenol is a little less acidic than p-nitrophenol because of intramolecular hydrogen bonding which makes the loss of a proton difficult to remove.
Which has higher melting point ortho nitrophenol or para nitrophenol?
Solution : p-nitrophenol has higher boiling point because there is intermolecular H-bonding while in O-nitrophenol , there is intramolecular H-bonding .
