Transcription of HYDROCARBONS 365 - NCERT
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365 HYDROCARBONSUNIT 13 After studying this unit, you will beable to name HYDROCARBONS according toIUPAC system of nomenclature; recognise and write structuresof isomers of alkanes, alkenes, alkynes and aromatichydrocarbons; learn about various methods ofpreparation of HYDROCARBONS ; distinguish between alkanes,alkenes, alkynes and aromatichydrocarbons on the basis ofphysical and chemical properties; draw and differentiate betweenvarious conformations of ethane; appreciate the role ofhydrocarbons as sources ofenergy and for other industrialapplications; predict the formation of theaddition products ofunsymmetrical alkenes andalkynes on the basis of electronicmechanism; comprehend the structure ofbenzene, explain aromaticityand understand mechanismof electrophilic substitutionreactions of benzene; predict the directive influence ofsubstituents in monosubstitutedbenzene ring; learn about carcinogenicity term hydrocarbon is self-explanatory which meanscompounds of carbon and hydrogen only.
plasticine balls for atoms. For alkenes, alkynes and aromatic hydrocarbons, spring models can be constructed. 13.2 ALKANES As already mentioned, alkanes are saturated open chain hydrocarbons containing carbon - carbon single bonds. Methane (CH 4) is the first member of this family. Methane is a gas found in coal mines and marshy places. If
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