common compounds and their formulas

A compound is a pure substance that is formed by the combination of atoms of two or more elements by either transfer or by sharing of electrons. The atoms of the different elements in a compound are chemically combined in a fixed and constant proportion. If this proportion is di..

(KNO 2 ), carbon dioxide (CO 2 ) and carbon monoxide (CO). The properties of compounds are absolutely different from the properties of the elements that constitute the compound. For instance, hydrogen is combustible and oxygen is a supporter of combustion. But their product, wat..

In the common system, cyanides are named by any of the following methods: (i) By using suffix cyanide after the name of alkyl and aryl group. or (ii) By adding the suffix o-nitrile in place of ic - acid in the common name of the corresponding acid produced by the hydrolysis of ..

All pure compounds are differentiated from other compounds by the characteristic properties they possess. Properties like melting point, boiling point and refractive index are generally used as the criteria for checking the purity of an organic compound. For example, ..

This method of nomenclature was used before 1892. In this system of nomenclature, the compounds were named on the basis of their history, such as source of origin et..

Separation of the Constituents of Some Common Mixtures - (a) Mud and water (c) Mixture of alcohol and wat..

A palmately compound leaf is one in which all the leaflets arise from a common point at the tip of the petiole. Depending upon the number of leaflets present, the palmately compound leaves can be distinguished into the following typ..

Palmately Compound Leaves - A palmately compound leaf is one in which all the leaflets arise from a common point at the tip of the petiole. Depending upon the number of leaflets present, the palmately compound leaves can be distinguished into the following ty..

Nuclear Substituted Compounds When the functional group or any substituent, in aromatic compounds is directly attached to the benzene ring, it is a called nuclear substituted compound. Such compounds are named as the derivatives of benzene under ..

A compound microscope consists of the following parts: Objective lens The objective lens of a compound microscope is a convex lens of very short focal length (f o ) that is f o < 1cm. The object to be seen is kept very close to the objective lens. Eye piece The eye piece of a..