Table of Contents
- 1 Which is more acidic para chlorophenol or phenol?
- 2 Why is meta chlorophenol more acidic?
- 3 Why is phenol more acidic than Ortho cresol but less acidic than Ortho Nitrophenol?
- 4 Why ortho nitro phenol is more acidic than Ortho-methoxyphenol?
- 5 What is the P K of A chlorophenol?
- 6 Why is para fluorophenol acidic in nature?
Which is more acidic para chlorophenol or phenol?
p-chlorophenol or p-nitrophenol? Both the chlorine and the nitro group at the para position makes the phenol group acidic because they are both electron withdrawing groups that stabilize the negative charge of phenol. Thus, p-nitrophenol is more acidic than p-chlorophenol.
Which is more acidic phenol or p?
In p-nitrophenol, after the releasing of H + ions, the negative charge on the phenoxide ion will be stabilized by strong –M effect of nitro group in the para position. So, the conjugate base is more stable than phenol. So, p-nitrophenol is more acidic than phenol.
Why is meta chlorophenol more acidic?
Chlorine has negative inductive effect which operates at meta position and stabilizes the acid anion after it loses H+. Hence due to more stability m – chlorophenol is more acidic than phenol.
Why ortho nitro phenol is more acidic than phenol and alcohols are highly soluble in water?
The presence of this group in the ortho position in ortho nitro phenol decreases the electron density in the O−H bond. As a result, it is easier to lose a proton. Also, the o-nitrophenoxide ion formed after the loss of protons is stabilized by resonance. Hence, ortho nitrophenol is a stronger acid.
Why is phenol more acidic than Ortho cresol but less acidic than Ortho Nitrophenol?
Whereas due to + I effect of — CH3 group, electron density increases in the O – H bond of o-cresol. Thus, O – H bond of o-nitrophenol is weaker than O – H bond of o-cresol and o-nitrophenol is more acidic than o-cresol.
Is para nitrophenol strong acid?
P-nitrophenol is a stronger acid than o-nitrophenol, due to intramolecular hydrogen bonding so, reason, Intramolecular hydrogen bonding makes o-isomer weaker than p-isomer is also true and explains the assertion.
Why ortho nitro phenol is more acidic than Ortho-methoxyphenol?
The nitro-group is an electron-withdrawing group. On the other hand, methoxy group is an electron-releasing group. Thus, it increases the electron density in the O-H bond and hence, the proton cannot be given out easily. For this reason, ortho-nitrophenol is more acidic than ortho-methoxyphenol.
Why are chlorophenols more acidic than phenols?
When one studies the acidity of chlorophenols, one notices the following: First of all, chlorophenols are more acidic than phenol, due the negative inductive effect (−I) of chlorine, that reduces the negative charge, located on the oxygen of the phenolate anion.
What is the P K of A chlorophenol?
Phenol has a p K a approximately equal to 9.9. When one studies the acidity of chlorophenols, one notices the following: First of all, chlorophenols are more acidic than phenol, due the negative inductive effect (−I) of chlorine, that reduces the negative charge, located on the oxygen of the phenolate anion.
Why is ortho chlorophenol the most acidic of the three compounds?
Hence, it is the most acidic out of the three. ortho chlorophenol will be most acidic as it can generate highest positive charge on phenol group. More effective the electron withdrawing capacity better will be the nature of acid. 8 clever moves when you have $1,000 in the bank.
Why is para fluorophenol acidic in nature?
In case of para fluorophenol, because of almost identical sizes of 2p-orbitals of Carbon and Fluorine , +R effect and -I effect of Fluorine almost balance each other and hence it is almost as acidic as phenol itself. What is the acidic strength order of o-cresol, p-cresol, m-cresol and phenol?