reductsioonireaktsioonide
Reduktsioonireaktsioonid are chemical reactions where a substance gains electrons, leading to a decrease in its oxidation state. This process is often paired with oxidation reactions, where a substance loses electrons, resulting in an increase in its oxidation state. Together, these are known as redox reactions. Reductants are the substances that donate electrons, causing the reduction of another substance. In a reduction reaction, the oxidizing agent accepts these electrons. Common examples of reduction involve the addition of hydrogen to a molecule or the removal of oxygen. For instance, the reduction of metal oxides to their metallic form using a reducing agent like carbon is a fundamental process in metallurgy. In organic chemistry, the reduction of carbonyl compounds to alcohols is a frequent transformation, often achieved using reagents like sodium borohydride or lithium aluminum hydride. The concept of reduction is crucial in understanding various chemical and biological processes, including metabolism, electrochemistry, and the functioning of batteries.