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Alkenes decolourise bromine water because they undergo an addition reaction where the orange bromine molecule ( Br2cap B r sub 2 ) adds across the double bond, forming a colorless dibromoalkane.
is a specialized worksheet from the www.scisheets.co.uk library that focuses on the reactions and structures of alkenes. It is typically designed for students studying GCSE or AS-Level chemistry, focusing on: The definition of alkenes and their structural formula. The nature of the carbon-carbon double bond ( Electrophilic addition mechanisms. Specific reactions with halogens, hydrogen, and steam. chemsheets 1232 answers
25.0 cm³ of 0.100 mol/dm³ HCl neutralizes 20.0 cm³ of NaOH. Calculate [NaOH].
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Reacting an alkene with water (steam) in the presence of a phosphoric acid catalyst produces an alcohol (e.g., ethene becomes ethanol).
Now that you have the subject knowledge, here are practical tips for mastering the material covered in Chemsheets 1232: The nature of the carbon-carbon double bond (