Advertisements
Advertisements
प्रश्न
Out of o-nitrophenol and o-cresol which is more acidic?
Advertisements
उत्तर
There is an electron-withdrawing group NO2 that is present in the ortho position in ortho-nitrophenol which enhances the acidic strength and makes more acidic. In o-cresol there is an electron releasing group, they decrease acidic strength.
APPEARS IN
संबंधित प्रश्न
Write the equation involved in the acetylation of Salicylic acid.
Explain how does the −OH group attached to a carbon of benzene ring activate it towards electrophilic substitution?
Account for the following:
o-nitrophenol is more steam volatile than p-nitrophenol.
The ionization constant of phenol is higher than that of ethanol because ____________.
Phenol reacts with Br2 in CS2 at low temperature to give ____________.
Which of the following compounds is most acidic?
Which one of the following compounds has the most acid nature?
What is the correct order of reactivity of alcohols in the following reaction?
\[\ce{R-OH + HCl ->[ZnCl2] R-Cl + H2O}\]
Assertion: o-Nitrophenol is less soluble in water than the m- and p-isomers.
Reason: m- and p- Nitrophenols exist as associated molecules.
Phenol is used in the manufacture of
Arrange the following in the increasing order of their property indicated:
4-Nitrobenzoic acid, benzoic acid, 3,4-Dinitrobenzoic acid, 4-Methoxy benzoic acid (Acid strength)
In the following compounds:
 |
 |
 |
 |
| (I) | (II) | (III) | (IV) |
The order to acidity is ______.
Which one of the following has the lowest pKa value?
Give the structure of the product you would expect when the following alcohol reacts with HCl–ZnCl2.
2-Methylbutan-2-ol
Give the structure of the product you would expect when the following alcohol reacts with HBr.
Butan-1-ol
Give the structure of the product you would expect when the following alcohol reacts with SOCl2.
Butan-1-ol
Give the structure of the product you would expect when the following alcohol reacts with SOCl2.
2-Methylbutan-2-ol
