Nabh4 Study guides, Class notes & Summaries

ionic, dipole-dipole,london correct answer: the order of bonds strongest to weakest two substituents are on the same side of the double bond correct answer: which statement best describes cis stereochemistry in an alkene? on opposite sides of the double bond correct answer: substituents on a carbon-carbon double bond that are trans are oxygen,carbons correct answer: an ether contains an____________bound by single bonds to two ____________ alcohols correct answer: when aldehydes ...

OCR A Level Chemistry Paper 3 2023 (H432/03 Unified chemistry) Mark Scheme June 2023. ALLOW upper case when it is obvious, e.g. ALLOW CR for Cr, AS for As ALLOW names for elements (a) THREE from: N O F H 1 AO1.1 DO NOT ALLOW ANY OTHER ELEMENTS (CON) (b) O 1 AO2.1 ALLOW S BOD (c) P OR S 1 AO1.1 ALLOW S8, P4 ALLOW As, Se (d) Cr Mn 2 AO1.2 IGNORE ions (e) Si 1 AO1.1 (f) S 1 AO2.1 ALLOW SF6 (g) F 1 AO1.1 (h) As 1 AO2.2 H432/03 Mark Scheme June 2023 10 Question Answer Marks ...

Organic Chemistry Chem 202): Top Exam Questions & Answers, 100% Accurate. Verified. H–Br Markovnikov addition of Br onto more substituted carbon H–Br, ROOR, heat Anti–Markovnikov addition of Br onto least substituted carbon Br2 heat Br Addition to more substituted carbon Br2, H2O2 Br addition to least substituted carbon H2SO4 (aq) Markovnikov addition of OH onto more substituted carbon Hg(OAc)2, H2O, NaBH3, –OH Markovnikov addition of OH onto more substituted carbon ...

Acyl chloride -> primary amide - CORRECT ANSWER-NH3 Acyl chloride -> secondary amide - CORRECT ANSWER-primary amine Carboxylic acid -> ester - CORRECT ANSWER-Alcohol/conc H2SO4 Nitrile -> amine - CORRECT ANSWER-H2/Ni Ester -> carboxylate salt - CORRECT ANSWER-hot aqueous alkali Ester -> Carboxylic acid - CORRECT ANSWER-Hot aqueous acid Nitrile -> Carboxylic acid - CORRECT ANSWER-H2O, HCl, heat Aldehyde/ketone -> alcohol - CORRECT ANSWER-NaBH4 Acyl chloride -> e...

1. Reaction of ethyl magnesium bromide with water will generate? a. ethanol b. ethane c. butane d. ethyl magnesium hydroxide e. a peroxide - b 2. Under conditions of thermodynamic control, product distribution is governed by: a. the relative stabilities of the products b. the relative energies of the transition states leading to the products c. the rate at which each product is formed d. a and b e. b and c - a 3. Which of the following statements is false for the reduction of camphor...

OCR A-Level Chemistry A Organic Synthesis Question 100% solvedAlkene + hydrogen /nickel catalyst/423K= alkane Alkene + bromine /room temperature= dihaloalkane Alkene + HCl(g/aq) /room temperature= haloalkane (mixed products) Alkene + H2O(g) /H3PO4= alcohol (mixed products) Primary alcohol + 2[O] /excess K2Cr2O7/H2SO4/reflux= carboxylic acid Primary alcohol + [O] /K2Cr2O7/H2SO4/distil= aldehyde Secondary alcohol + [O] /K2Cr2O7/H2SO4/reflux= ketone ...

Chemical properties of Aldehydes and Ketones Reactions common to both Aldehydes and Ketones The difference between an Aldehyde and a Ketone is the position of the C=O (Carbonyl group). Aldehyde – always on a carbon at the end of the chain Ketone – Always on a carbon at middle carbon of the chain 1. BOTH Aldehydes and Ketones can be reduced Aldehyde reduced to Primary Alcohol Reducing agent = Sodium tetrahydroborate III (NaBH4) Ketone reduced to Secondary Alcohol Reduction Oxid...

Bronsted-Lowry Acid Must Have a Proton (H) Bronsted-Lowry Base Must have Lone Pairs or Pi Bonds Neutralization Strong Acid donates a proton to the Strong Base to generate Water and the Conjugate Base Electrophile Electron Loving An atom that wants electrons. An atom that is electron rich. Must have a partial positive charge. (Cation) Nucleophile Nucleus Loving If opposites attract, then a _________ is electron rich. Must have a partial negative charge. (An...

Orgo 2223B final-lipids Summary Questions and Answers Are lipids soluble or insoluble in water? - CORRECT ANSWER-insoluble What type of double bonds do naturally occurring fatty acids have? - CORRECT ANSWER-cis When fatty acids are added to water, do the majority of them remain ionized or nonionized? - CORRECT ANSWER-nonionized What is the name of the reaction for the synthesis of fatty acids? - CORRECT ANSWER-Claisen condensation What type of reaction is a Claisen condensation? - C...

A2 Organic Chemistry Reactions, Reagents and Conditions questions well answeredChange of Functional Group in "Oxidation of Aldehydes". Aldehyde to Carboxylic Acid Reagent in "Oxidation of Aldehydes" Potassium dichromate (VI) solution and dilute sulphuric acid Conditions of "Oxidation of Aldehydes" Heat under Reflux Forming Tollen's Reagent Aqueous Ammonia and Silver Nitrate. Complex Ion in Tollen's Reagent [Ag(NH3)2]+ Conditions for Tollen's Reage...