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Tag: alkenes

chemistry science

What are the methods of preparation of Haloalkanes and haloarenes ?

By ankushmaster on October 15, 2020April 30, 2021
Posted in: action, alcohols, alkanes, alkenes, by, chlorobenzene, diazonium salts, direct halogination of aromatic ring, electrophillic substitution, from, gatterman reaction, halides, haloalkanes, halogens, hunsdicker reaction, hydrocarbons, methods, of, phosphorus, preparation, rasching process, sandmayer reaction, silver salts of acids, silver salts of aromatic compounds, the, thionyl chloride, wurtz reaction
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chemistry science

Why Alkynes are less reactive than alkenes and alkanes towards electrophilic addition reaction ?

By ankushmaster on April 10, 2020March 16, 2021

There are two reasons for less reactivity of Alkynes towards electrophillic addition reactions:- Due to greater electronegativity of sp-hybridized carbon atoms of a triple bond than sp2 -hybridized carbon atoms of a double bond, pie-electrons of alkynes are more tightly held by the carbon atoms than pie electrons of alkenes and hence are less easily

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Posted in: alkenes, alkynes, are, detail, diagram, electrophillic, explain, in, less, reactions, REactive, substitution, than, towards, why, with
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