Advertisements
Advertisements
प्रश्न
Which one of the following has the lowest pKa value?
विकल्प
CH3 – COOH
O2N–CH2–COOH
Cl–CH2–COOH
HCOOH
Advertisements
उत्तर
O2N–CH2–COOH
Explanation:
It is simpler to remove an electron since the –NO2 group is an electron-withdrawing group. As a result, the acidity is stronger, and the pKa value is lower.
APPEARS IN
संबंधित प्रश्न
Give the structure of the product you would expect when the following alcohol reacts with HCl–ZnCl2.
Butan-1-ol
Give two reactions that show the acidic nature of phenol.
Account for the following:
o-nitrophenol is more steam volatile than p-nitrophenol.
Phenols do not react with one of the following:
The ionization constant of phenol is higher than that of ethanol because ____________.
In the following compounds:
The order of acidity is
Which of the following compounds is most acidic?
Which of the following statements is true:
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
