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Alkanes have the general chemical formula C n H 2n+2. The alkanes range in complexity from the simplest case of methane (CH 4), where n = 1 (sometimes called the parent molecule), to arbitrarily large and complex molecules, like pentacontane (C 50 H 102) or 6-ethyl-2-methyl-5-(1-methylethyl) octane, an isomer of tetradecane (C 14 H 30).
The principle of homology allows us to write a general formula for alkanes: C n H 2 n + 2. Using this formula, we can write a molecular formula for any alkane with a given number of carbon atoms. For example, an alkane with eight carbon atoms has the molecular formula C 8 H (2 × 8) + 2 = C 8 H 18.
Alkanes are organic compounds that consist of single-bonded carbon and hydrogen atoms. The formula for Alkanes is CnH2n+2, subdivided into three groups – chain alkanes, cycloalkanes, and the branched alkanes.
Learn about the general formula, structure, and nomenclature of alkanes, the most basic compounds in organic chemistry. Also, explore their conformations, isomers, and reactions with other compounds.
23 sty 2023 · Alkanes have the general formula CnH2n+2 C n H 2 n + 2 and can be subdivided into the following three groups: the linear straight-chain alkanes, branched alkanes, and cycloalkanes. Alkanes are also saturated hydrocarbons.
The homologous series allows us to write a general formula for alkanes: C n H 2 n + 2. Using this formula, we can write a molecular formula for any alkane with a given number of carbon atoms. For example, an alkane with eight carbon atoms has the molecular formula C 8 H (2 × 8) + 2 = C 8 H 18.
The general formula of alkane is C n H 2n+2. Example: methane (CH 4), ethane (C 2 H 6), propane (C 3 H 8) etc. Classification of alkane. There are three types of alkanes: Linear alkanes; Branched alkanes; Cyclic alkanes; 1. Linear alkanes. Linear alkanes are alkanes where carbon atoms are linked together like a straight chain or a snake.
