Given a formula of a functional group: An organic compound that has this functional group is classified as 1) an organic acid 2)
an ester 3) a ketone 4) an aldehyde
1 answer:
Answer:
Since the formula of the functional group is not given in the question, here are possible answers; If it is;
1. -COOH or -CO2H, it is an organic acid
2. -COOR, it is an ester
3. RC=O, it is a ketone
4. HC=O, it is an aldehyde
Note: Check the attachment below
Explanation:
The functional group of an organic compound is a specific group of atoms or bonds within a compound that is responsible for the characteristic chemical reactions of that compound.
The most common functional groups are:
Carbonyls (C=O); which includes the aldehydes, HC=O, and ketones, RC=O
Alcohols (-OH),
Carboxylic (organic) acids (COOH),
Edters (COOR), and
Amines (NH2).
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Hello!
A solution of a weak acid and its conjugate base is called a buffer solution. It can resist the addition of bases and acids while maintaining the pH approximately constant.
To calculate the pH of a buffer solution, we'll use the famous Henderson-Hasselbach equation, applying the pKa value of the Benzoic Acid (4,20). In this equation, [A⁻] represents the concentration of the Conjugate Base and [HA] the concentration of the acid.
![pH=pKa + log( \frac{ [A^{-}]}{[HA]} ) \\ \\ pH=4,20 + log ( \frac{0,170 M}{0,245} ) \\ \\ pH=4,04](https://tex.z-dn.net/?f=pH%3DpKa%20%2B%20log%28%20%5Cfrac%7B%20%5BA%5E%7B-%7D%5D%7D%7B%5BHA%5D%7D%20%29%20%5C%5C%20%20%5C%5C%20pH%3D4%2C20%20%2B%20log%20%28%20%5Cfrac%7B0%2C170%20M%7D%7B0%2C245%7D%20%29%20%5C%5C%20%20%5C%5C%20pH%3D4%2C04%20)
So, the pH of the solution would be 4,04.
Have a nice day!
A solution of a weak acid and its conjugate base is called a buffer solution. It can resist the addition of bases and acids while maintaining the pH approximately constant.
To calculate the pH of a buffer solution, we'll use the famous Henderson-Hasselbach equation, applying the pKa value of the Benzoic Acid (4,20). In this equation, [A⁻] represents the concentration of the Conjugate Base and [HA] the concentration of the acid.
So, the pH of the solution would be 4,04.
Have a nice day!