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Chapter 3

Alkanes and Cycloalkanes

Struktura alkanów
Struktura alkanów
The formation of carbon-carbon bonds leading to the creation of the carbon chain is the basis of organic chemistry. August Kekulé and Archibald Scott ...
Konstytucyjne izomery alkanów
Konstytucyjne izomery alkanów
Organic compounds of the same molecular formula can have different structural formulas called constitutional isomers, and the phenomenon is known as ...
Nazewnictwo alkanów
Nazewnictwo alkanów
In the late 19th-century, the number of new chemical compounds discovered increased tremendously. Hence, the necessity arose to develop a naming system ...
Właściwości fizyczne alkanów
Właściwości fizyczne alkanów
Alkanes are nonpolar molecules due to the presence of only carbon and hydrogen atoms. The electronegativity difference between carbon and hydrogen is ...
Projekcje Newmana
Projekcje Newmana
Different notations are used to represent the three-dimensional structure of molecules on two-dimensional surfaces. One of the most commonly used ...
Konformacje etanu i propanu
Konformacje etanu i propanu
In an organic molecule, free rotation about the carbon-carbon single bond results in energetically different conformers of the molecule. Due to this ...
Konformacje butanu
Konformacje butanu
Unlike ethane and propane that have only two major conformations, butane has more than two conformers. The staggered form of butane in which the bulky ...
Cykloalkany
Cykloalkany
Cycloalkanes are saturated cyclic hydrocarbons with carbon atoms arranged in the form of rings. They have two fewer hydrogen atoms than the corresponding ...
Konformacje cykloalkanów
Konformacje cykloalkanów
Adolf von Baeyer attempted to explain the instabilities of small and large cycloalkane rings using the concept of angle strain — the strain caused ...
Konformacje cykloheksanu
Konformacje cykloheksanu
Cyclohexane does not exist in a planar form due to the high angle and torsional strain it would experience in the planar structure. Instead, it adopts ...
Budowa krzesła cykloheksanu
Budowa krzesła cykloheksanu
The chair conformation is the most stable form of cyclohexane due to the absence of angle and torsional strain. The absence of angle strain is a result of ...
Stabilność podstawionych cykloheksanów
Stabilność podstawionych cykloheksanów
This lesson discusses the stability of substituted cyclohexanes with a focus on energies of various conformers and the effect of 1,3-diaxial ...
Dipodstawione cykloheksany: izomeria <em>cis-trans</em>
Dipodstawione cykloheksany: izomeria cis-trans
Depending upon the different spatial orientation of the substituents, the disubstituted cycloalkanes exhibit two types of stereoisomers. The cis isomers ...
Energia spalania: miara stabilności alkanów i cykloalkanów
Energia spalania: miara stabilności alkanów i cykloalkanów
The low reactivity in alkanes can be attributed to the non-polar nature of C–C and C–H σ bonds. Alkanes, therefore, were  initially ...
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