Question

How will
you distinguish between o-
hydrobenzoic
acid
and
m- hydtobenzoic acid on thr
basis of
IR
spectroscopy?

Answer 1

Answer:

Benzoic acid, m-hydroxy-; m-Hydroxybenzoic acid and   m-Salicylic acid; 3-Carboxyphenol; 3- Hydroxybenzoic acid; meta-Hydroxybenzoic acid; Acid m-idrossibenzoico.Infrared Spectrum.

Explanation:-

4-Hydroxybenzoic acid, also known as p-hydroxybenzoic acid (PHBA), is a monohydroxybenzoic acid, a phenolic derivative of benzoic acid. It is a white crystalline solid that is slightly soluble in water and chloroform but more soluble in polar organic solvents such as alcohols and acetone. 4-Hydroxybenzoic acid is primarily known as the basis for the preparation of its esters, known as parabens, which are used as preservatives in cosmetics and some ophthalmic solutions. It is isomeric with 2-hydroxybenzoic acid, known as salicylic acid, a precursor to aspirin, and with 3-hydroxybenzoic acid.

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Answer 2

Answer:

Benzoic acid, m-hydroxy-; m-hydroxybenzoic acid and m-salicylic acid; 3-carboxyphenol; 3-hydroxybenzoic acid; meta-hydroxybenzoic acid; Acidic m-idroxybenzoic acid. Infrared spectrum.

Explanation:

4-Hydroxybenzoic acid, also known as p-hydroxybenzoic acid (PHBA), is a monohydroxybenzoic acid, a phenolic derivative of benzoic acid. It is a white crystalline solid that is slightly soluble in water and chloroform, but more soluble in polar organic solvents such as alcohols and acetone. 4-Hydroxybenzoic acid is best known as the basis for the preparation of its esters, known as parabens, which are used as preservatives in cosmetics and some eye solutions. It is isomeric with 2-hydroxybenzoic acid, known as salicylic acid, which is a precursor to aspirin, and with 3-hydroxybenzoic acid.

Spectroscopy is the interaction of light and matter. Depending on the energy of the light used, different types of excitations take place in the sample, which serves as a means of classifying different spectroscopic techniques.

IR uses infrared radiation that causes changes in vibrational energy in matter. IR provides information about the functional groups in the molecule.

NMR spectroscopy uses the phenomenon of nuclear magnetic resonance, which requires nuclei to have spin. This technique uses radio waves.

The full extent of realizing the differences and various other fine points must be understood in the lecture hall or obtained from a good book.

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