"Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N."
These are bases that contain a nitrogen atom. Examples include pyridine, caffeine, and histidine.
Introduction to acids and bases: This topic covers the basic definitions of acids and bases, their properties, and some important acid-base concepts.
Bronsted-Lowry acid-base theory: This concept explains the relationship between acids and bases as proton donors and acceptors respectively.
Lewis acid-base theory: This theory specifies the relationship between acids and bases as electron pair acceptors and donors, respectively.
pH and pOH: This concept describes the measurement of acidity and basicity of a solution using pH and pOH scales.
Acid-base equilibria: This concept covers the equilibrium of weak acids and weak bases and their ionization constants.
Titration: This is a laboratory technique to determine the concentration of an acid or a base using a known base or acid respectively.
Acid-base reactions: This topic covers the different types of acid-base reactions such as neutralization, hydrolysis, and salt formation.
Acid-base indicators: This concept explains the use of indicators to determine the end point of a titration.
Acid-base properties of amino acids: This topic discusses the acid-base properties of amino acids, which are the building blocks of proteins.
Acid-base properties of organic compounds: This topic covers the acid-base properties of common organic compounds such as alcohols, carboxylic acids, and amines.
Acid-base properties of DNA and RNA: This topic covers the acid-base properties of nucleic acids, which are the genetic materials in cells.
Acid-base properties in biochemistry: This topic discusses the importance of acids and bases in biological systems and the role they play in different biochemical reactions.
Acid-base applications in industry: This topic covers the different applications of acids and bases in various industries such as food, pharmaceutical, and chemical manufacturing.
Acid-base calculations: This concept explains how to calculate pH, pOH, and other acid-base properties using different formulas and equations.
Acid rain: This topic covers the environmental effects of acid rain, which is caused by the emission of acids and bases into the atmosphere.
Carboxylic acids: These are organic acids that have a carboxyl group (-COOH), which is responsible for acidity. Examples include acetic acid and formic acid.
Phenols and phenolic acids: These are substances that contain a hydroxyl group (-OH) attached to an aromatic ring. Examples include salicylic acid and gallic acid.
Sulfonic acids: These are organic acids that have a sulfonic group (-SO3H), which is very acidic. Examples include benzenesulfonic acid and toluenesulfonic acid.
Amines: These are organic bases that have a nitrogen atom with lone pair of electrons. Examples include ethylamine and aniline.
Guanidines: These are nitrogen-containing compounds that have three nitrogen atoms arranged in a guanidine group (-NC(NH2)NH2). Examples include arginine and guanidine.
Quaternary ammonium ions: These are organic bases that have a nitrogen atom with four substituents, usually alkyl groups. Examples include trimethylammonium ion and tetramethylammonium ion.
"It is structurally related to benzene, with one methine group (=CH−) replaced by a nitrogen atom."
"It is a highly flammable, weakly alkaline, water-miscible liquid with a distinctive, unpleasant fish-like smell."
"But older or impure samples can appear yellow, due to the formation of extended, unsaturated polymeric chains."
"It is a highly flammable, weakly alkaline, water-miscible liquid with a distinctive, unpleasant fish-like smell."
"The pyridine ring occurs in many important compounds, including agrochemicals, pharmaceuticals, and vitamins."
"Historically, pyridine was produced from coal tar."
"As of 2016, it is synthesized on the scale of about 20,000 tons per year worldwide." Here are additional questions that can be inferred from the paragraph: