carbon-to-carbon bonds are single bonds) or unsaturated (wherein there are one or more carbon-to-carbon multiple bonds). Saturated aliphatic hydrocarbons are alkanes while unsaturated aliphatic hydrocarbons are alkenes and alkynes. The general formula of alkanes‚ alkenes and alkynes are CnH2n+2‚ CnH2n‚ and CnH2n-2‚ respectively. Alkanes‚ alkenes and alkynes can be open-chain (acyclic)‚ cyclic‚ unbranched or branched. Aromatic hydrocarbons are represented by a
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Everything you need to know about hydrocarbons INTRODUCTION: organic chemistry Organic chemistry is the chemistry of compounds that contain carbon and hydrogen. The element carbon has a special role in chemistry because it bonds with other carbon atoms to give a vast array of molecules. The varity of molecules is so great that we find organic compounds in many common products we use‚ such as gasoline‚ medicines‚ shampoos‚ plastic bottles‚ and perfumes. The food we eat is composed of different
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A- HPTLC Flavonoid profile of methanol extract M. concanensis leaves B- HPTLC Flavonoid profile of methanol extract M. concanensis flowers C- HPTLC Flavonoid profile of methanol extract M. concanensis seeds 4.2.3.1 C) HPTLC Phenol profile of M. concanensis Nimmo. HPTLC finger printing of M. concanensis was done by using selected solvent system Chloroform: Ethyl acetate: Formic acid (50%:40%:10%v/v) for leaf‚ flower and seed extracts‚ visualized under UV 254 and 366 nm showed more
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Saturated hydrocarbons are characterized by single bonds between adjacent carbon atoms. Saturated hydrocarbons are alkanes and cycloalkanes‚ this compounds are relatively inert and do not react with common laboratory reagents. Alkanes do‚ however react with oxygen‚ halogens and other substances under control conditions. All members of alkane series have the general chemical formula CnHn-1. Alkanes are insoluble in water; other physical properties vary with molecular weight. Members C1 to C4 are gasses at
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aliphatic hydrocarbons: o Alkanes ▪ A hydrocarbon with only single bonds between carbon atoms. ▪ General formula is Cn H2n+2 ▪ All alkanes have the ending –“ane” ▪ Any alkyl branches in the carbon chain have the suffix –“yl” ▪ The name of a branched alkane must indicate the point of attachment of the branch. o Alkenes ▪ A hydrocarbon that contains at least one carbon – carbon double bond. ▪ General formula is Cn H2n o Alkynes ▪ A hydrocarbon that
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of the main alkanes‚ alkenes‚ alkynes and cyclic hydrocarbons. Procedure: 1. Complete the following table with similarities and differences in hydrocarbons. 2. From the table set examples of compounds in their condensed formula‚ naming them correctly. 3. Search for information about an alkane. Indicate where it comes from‚ its uses‚ effects in the environment and the way we can avoid negative impacts of this compound. Results: 1. HYDROCARBONS Alkanes Alkenes Alkynes Cyclic H. Similarities
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Organic Chemistry - Introduction 1 2812 Basic definitions for organic chemistry Scope Organic chemistry is a vast subject so it is easier to split it into small sections for study. This is usually done by studying compounds which behave in a similar way because they have a particular atom‚ or group of atoms‚ (FUNCTIONAL GROUP) in their structure. Catenation The ability to form bonds between atoms of the same element. Carbon catenates to form chains and rings‚ with single‚ double
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NORTHERN CARIBBEAN UNIVERSITY DEPARTMENT OF BIOLOGY‚ CHEMISTRY and ENVIRONMENTAL SCIENCE LABORATORY MANUAL Instructor: Dr. M. Wilson CHEM401: BIOCHEMISTRY for NURSES Prepared by: Oreane Collins CHEMISTRY LABORATORY REGULATIONS AND SAFETY PRECAUTIONS Reference: http://www.sciencebyjones.com/safety_rules.htm Thanks to the Flinn Scientific Safety Rules for much of the below. General Guidelines 1. Conduct yourself in a responsible manner at all times
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Lewis base. Orbital hybridization: sp3‚ sp2‚ sp. Conjugated double bonds and resonance 2. Classification of organic compounds Nomenclature: homologues series‚ alkanes‚ cycloalkanes‚ alkene‚ alkynes‚ alkyl halides‚ alcohols‚ amines‚ aldehydes‚ ketones and carboxylic 4 acids and their derivatives. 3. Stereochemistry Conformations of alkanes and cycloalkanes. Isomerism and optical activity. Structural isomers and stereoisomers. Geometrical isomers: (E) and (Z) systems. Enantiomers and diastereoisomers;
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the type of bonding that exists between the carbons. There are hydrocarbons that contain only carbon-to-carbon single bonds and they are called alkanes. There are also hydrocarbons that contain only carbon-to-carbon single bonds but it is different from alkanes because their carbon atoms are bonded together to form rings. They are called cyclohexanes. Alkanes and cycloalkanes are also known as saturated molecules – containing only carbon-to-carbon single bonds. When we say that a hydrocarbon is saturated
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