Alkene addition Study guides, Class notes & Summaries

OCR A LEVEL CHEMISTRY ORGANIC SYNTHESIS WITH COMPLETE SOLUTIONS alkene undergoes what type of polymerisation - CORRECT-addition  polymerisation Alkene to alcohol - CORRECT -Electrophilic addition  conc (phosphoric) acid catalyst  steam Haloalkane to nitrile - CORRECT -nucleophilic substitution ethanolic NaCN or KCN heat Haloalkane to primary amine (also makes NH4X) - CORRECT -Nucleophilic  substitution  Excess ethanolic NH3 with no further substitution HEAT under PRESSURE ac...

OCR A Level Chemistry Exam Questions With 100% Correct Answers Acid - answerA species that is a proton donor. activation energy - answerThe minimum amount of kinetic energy that particles need to have in order to react when they collide addition polymer - answerA very long molecular chain formed by repeated addition reactions of many unsaturated alkene molecules (monomers). addition polymerisation - answerThe process in which unsaturated alkene molecules (monomers) add on to a growing po...

acidA species that is a proton donor. activation energyThe minimum amount of kinetic energy that particles need to have in order to react when they collide addition polymerA very long molecular chain formed by repeated addition reactions of many unsaturated alkene molecules (monomers). addition polymerisationThe process in which unsaturated alkene molecules (monomers) add on to a growing polymer chain one at a time to form a very long saturated molecular chain (the addition polymer). ...

IR Spectra correct answer: -Absorption of radiation causes vibrational excitation of functional groups *making it easy to ID functional groups* *0-5000cm-1* H NMR Spectra correct answer: *0-12ppm* C NMR Spectra correct answer: *0-200ppm* Mass Spec correct answer: -Used to measure the molecular weight (mass) of the compound. Alkyne Reactions correct answer: *1* Alkyne + H2/Pd &C = Alkene *2* Alkyne + H2/Lindlav Cat.= Cis Alkene *3* Alkyne + Li or Na/Liquid NH3= Trans Alkene ...

Basicity rules correct answers -strong base: unstable/reactive (ED groups) -weak base: stable (EW groups/more EN/bigger) Chair conformation correct answers -more stable equitorial (slanted) -pointing up/pointing down=cis if both up -elimination: trans and diaxial Newman projection correct answers -gauche: substituent groups adjacent to eachother -grab middle and turn to put in plane Enantiomers correct answers -not superimposable mirror images -same besides stereochemistry Diast...

A LEVEL CHEMISTRY EXAM WITH COMPLETE SOLUTIONS   alkali - A type of base that dissolves in water forming hydroxide ions, OH- (aq) ions. alkanes - The homologous series with the general formula: CnH2n+2. alkyl group - An alkane with a hydrogen atom removed, e.g. CH3, C2H5; alkyl groups are often shown as 'R'. amount of substance - The quantity whose unit of the mole. Chemists use 'amount of substance' as a means of counting atoms. anhydrous - A substance tha...

OCR A Level Chemistry Exam Questions With 100% Correct Answers Acid - answerA species that is a proton donor. activation energy - answerThe minimum amount of kinetic energy that particles need to have in order to react when they collide addition polymer - answerA very long molecular chain formed by repeated addition reactions of many unsaturated alkene molecules (monomers). addition polymerisation - answerThe process in which unsaturated alkene molecules (monomers) add on to a growing po...

What are the differences between aliphatic (including alkanes, alkenes,alkynes and cyclic compounds) aromatic hydrocarbons are. - ALIPHATIC Hydrocarbon: Non-aromatic -Alkanes & CycloAlkanes:single bonds; saturated:Contain only carbon and hydrogen & C-C & C-H single bonds -Alkenes:double bond(s) -Alkynes: triple bond(s) *alkenes and alkynes are unsaturated: at least one C-C double or triple bond(s) AROMATIC Hydrocarbon: benzene ring What is the trend in solubility and boiling point/mel...

Reagent = Nucleophile Only - ANSWER1° = Sn2 2° = Sn2 3° = Sn1 + E1 (polar medium necessary) Reagent = Strong Nucleophile & Strong Base - ANSWER1° = Sn2 2° = E2 3° = E2 Reagent = Weak Nucleophile and Weak Base - ANSWER1°/2° = No Reaction 3°/resonance stabilized carbocation = Sn1 + E1 (polar medium necessry Reagent = Base Only - ANSWER1° = E2 or Sn2 (if unhindered and no beta-hydrogen with unhindered base) 2° = E2 3° = E2 Examples of Only Nucleophiles - ANSWERCl⁻, ...

Edexcel A-level Chemistry Organic Chem Reactions Question and answers 100% correct 2023/2024Alkane to Halogenoalkane - correct answer Halogen and UV light (free radical substitution) Alkene to Alkane - correct answer Hydrogen gas, Nickel catalyst and 150°C (addition) Use of catalytic hydrogenation - correct answer Manufacture of margarine from unsaturated vegetable oils Alkene to Dihalogenoalkane - correct answer Add bromine LIQUID and shake (electrophilic addition) Alkene to hydro