Канал: Jason's Chem Clips

Predicting isomers of aromatic compounds - exam question

Predicting isomers of aromatic compounds - exam question

Selected Hess Cycle review questions

Selected Hess Cycle review questions

Reactions of phenols + "flowchart" exam question

Reactions of phenols + "flowchart" exam question

Friedel Crafts acylation exam question

Friedel Crafts acylation exam question

How a halogen carrier works + Friedel-Crafts alkylation exam question

How a halogen carrier works + Friedel-Crafts alkylation exam question

Long answer benzene structure question

Long answer benzene structure question

Applied ion testing question (challenging!)

Applied ion testing question (challenging!)

Covalent bonding dot cross diagrams exam question

Covalent bonding dot cross diagrams exam question

Enthalpy q = mcΔT six marker

Enthalpy q = mcΔT six marker

Calculating enthalpy of formation by substitution into Hess’s Cycle

Calculating enthalpy of formation by substitution into Hess’s Cycle

Explaining difference in boiling points of alkanes

Explaining difference in boiling points of alkanes

Number of occupied p orbitals in a sulfur atom MCQ

Number of occupied p orbitals in a sulfur atom MCQ

Working out the formula of an oxide from successive ionisation energies MCQ

Working out the formula of an oxide from successive ionisation energies MCQ

Applied mixture of fuels enthalpy question

Applied mixture of fuels enthalpy question

Calculating the pH of a mixture strong acid and strong base

Calculating the pH of a mixture strong acid and strong base

Predicting previously unseen organic mechanisms (with examples) V2

Predicting previously unseen organic mechanisms (with examples) V2

Using electrode potentials data to identify oxidising and reducing agents

Using electrode potentials data to identify oxidising and reducing agents

Organic synthesis, polymers and spectroscopy structured exam question

Organic synthesis, polymers and spectroscopy structured exam question

Nitrogen oxides exam question multi-topic

Nitrogen oxides exam question multi-topic

Group 7 and gas moles exam question

Group 7 and gas moles exam question

Transition metals six mark question - deducing the formula

Transition metals six mark question - deducing the formula

Working out percentage yield MCQ

Working out percentage yield MCQ

Identifying the major product in a Markovnikov’s Rule reaction MCQ

Identifying the major product in a Markovnikov’s Rule reaction MCQ

Recognising which functional group will react MCQ

Recognising which functional group will react MCQ

Gas volume required to react with a diene MCQ

Gas volume required to react with a diene MCQ

Rates and orders exam Q (multi-topic)

Rates and orders exam Q (multi-topic)

Structure and bonding long answer question six marker

Structure and bonding long answer question six marker

Volume of gas at RTP multiple choice question

Volume of gas at RTP multiple choice question

Using Avogadro’s number to work out number of ions present MCQ

Using Avogadro’s number to work out number of ions present MCQ

Calculating the Ka value of a buffer partial neutralisation/ICE method

Calculating the Ka value of a buffer partial neutralisation/ICE method

Applied Kw question (strontium hydroxide)

Applied Kw question (strontium hydroxide)

Applied electrode potential and equilibria exam question

Applied electrode potential and equilibria exam question

Applied graphical entropy question

Applied graphical entropy question

Born Haber cycle and calculating lattice enthalpy

Born Haber cycle and calculating lattice enthalpy

Applied q = mcΔT question (enthalpy change of reaction)

Applied q = mcΔT question (enthalpy change of reaction)

Processing a tricky calorimetry question

Processing a tricky calorimetry question

Exploring ΔG = ΔH TΔS

Exploring ΔG = ΔH TΔS

Applied ozone and haloalkanes exam question

Applied ozone and haloalkanes exam question

Using y=mx + c in applied chemistry quesitons (not covering Arrhenius)

Using y=mx + c in applied chemistry quesitons (not covering Arrhenius)

Applied enthalpy of reaction questions in aqueous solution

Applied enthalpy of reaction questions in aqueous solution

Millie and Lauren's limonene distillation

Millie and Lauren's limonene distillation

How volume of solution affects temperature change + multiple choice question worked

How volume of solution affects temperature change + multiple choice question worked

Making a buffer of a certain pH value

Making a buffer of a certain pH value

Lauren and Minty extraction of limonene from orange peel

Lauren and Minty extraction of limonene from orange peel

Markovnikov’s Rule Six Marker

Markovnikov’s Rule Six Marker

Enthalpy of neutralisation by graphical extrapolation

Enthalpy of neutralisation by graphical extrapolation

The origins of reaction order

The origins of reaction order

Millie and Lauren extraction of iron from iron (III) oxide Feb 2024

Millie and Lauren extraction of iron from iron (III) oxide Feb 2024

Oxidation of butan-1-ol six mark question

Oxidation of butan-1-ol six mark question

Calorimetry exam question walkthrough (simple example)

Calorimetry exam question walkthrough (simple example)

More applied entropy Q - working backwards from Free Energy

More applied entropy Q - working backwards from Free Energy

Entropy and calorimetry in one question

Entropy and calorimetry in one question

Entropy exam question

Entropy exam question

Graphs and rate of reaction questions

Graphs and rate of reaction questions

Enthalpy of formation using bond enthalpies 1,2 dibromopropane

Enthalpy of formation using bond enthalpies 1,2 dibromopropane

Applied bond enthalpy question - calculating the C-Cl bond

Applied bond enthalpy question - calculating the C-Cl bond

Applied A2 alcohols question

Applied A2 alcohols question

Understanding skeletal formulae of complex molecules - MCQ

Understanding skeletal formulae of complex molecules - MCQ

Identifying which alkane has undergone complete combustion - MCQ

Identifying which alkane has undergone complete combustion - MCQ

Carbon dioxide from burning waste plastic

Carbon dioxide from burning waste plastic

Multi topic organic synthesis question

Multi topic organic synthesis question

Multi step organic synthesis six mark question

Multi step organic synthesis six mark question

Percentage yield calculation including density

Percentage yield calculation including density

Applied 5 mark C13 NMR question

Applied 5 mark C13 NMR question

Year 1 applied spectroscopy unstructured question

Year 1 applied spectroscopy unstructured question

Combined spectroscopy six marker

Combined spectroscopy six marker

Rates of reaction and drawing a tangent - exam question

Rates of reaction and drawing a tangent - exam question

Applied atom economy question using a pharmaceutical synthesis

Applied atom economy question using a pharmaceutical synthesis

Poly(ethenol) exam question (updated version)

Poly(ethenol) exam question (updated version)

Organic synthesis multistep A2 exam question

Organic synthesis multistep A2 exam question

Condensation polymers exam question

Condensation polymers exam question

Identifying a hydrocarbon from combustion data MCQ

Identifying a hydrocarbon from combustion data MCQ

Applied chirality and pharmaceuticals exam question

Applied chirality and pharmaceuticals exam question

Unstructured Mass Spectroscopy Question

Unstructured Mass Spectroscopy Question

Reactions of amino acids exam Q

Reactions of amino acids exam Q

Working out the missing half equation in a fuel cell

Working out the missing half equation in a fuel cell

Using electrode potential data to prove disproportionation has occurred

Using electrode potential data to prove disproportionation has occurred

Percentage yield and atom economy demonstration

Percentage yield and atom economy demonstration

Ozonolysis exam Q walkthrough

Ozonolysis exam Q walkthrough

Condensation polymer formation using polyesters

Condensation polymer formation using polyesters

Markovnikov’s Rule in a cycloalkene

Markovnikov’s Rule in a cycloalkene

Cis trans vs E Z isomerism in alkenes

Cis trans vs E Z isomerism in alkenes

Effect on cell potential of changing ion concentration

Effect on cell potential of changing ion concentration

Direct Ethanol Fuel Cell exam question

Direct Ethanol Fuel Cell exam question

Limitations to the radical substitution mechanism

Limitations to the radical substitution mechanism

Radical substitution and formula determination of product

Radical substitution and formula determination of product

2 x applied fuel cell questions

2 x applied fuel cell questions

Branching and boiling point in organic compounds - unstructured 5 mark question

Branching and boiling point in organic compounds - unstructured 5 mark question

Bond connectivity in organic structures

Bond connectivity in organic structures

Determination of water of crystallisation using a thiosulfate iodine redox titration

Determination of water of crystallisation using a thiosulfate iodine redox titration

Mind mapping skills in A level chemistry topics

Mind mapping skills in A level chemistry topics

Radical substitution incl limitations of mechanism 6 marks

Radical substitution incl limitations of mechanism 6 marks

Determination of copper content in brass (percentage by mass)

Determination of copper content in brass (percentage by mass)

Simple radical substitution question

Simple radical substitution question

Organic liquid purification techniques and percentage yield calculation: six mark question

Organic liquid purification techniques and percentage yield calculation: six mark question

Two structured titrations and moles in solution exam questions

Two structured titrations and moles in solution exam questions

Choosing the best oxidiser for rocket fuels

Choosing the best oxidiser for rocket fuels

Structural isomers of alkenes and cycloalkanes (corrected version)

Structural isomers of alkenes and cycloalkanes (corrected version)

pV = nRT calculations

pV = nRT calculations

Tollens mirror with Propanal

Tollens mirror with Propanal

$Minty and Connie silver fractals 2023$

Minty and Connie silver fractals 2023

$Luke and Hua silver fractals 2023$

Luke and Hua silver fractals 2023

$Keir and George silver fractals 2023$

Keir and George silver fractals 2023

Naming aliphatic and alicyclic alkanes including subsitutions

Naming aliphatic and alicyclic alkanes including subsitutions

Two exam questions involving butane

Two exam questions involving butane

Challenging redox equation question

Challenging redox equation question

Balancing redox equations in alkaline conditions

Balancing redox equations in alkaline conditions

Buffers and weak acids multi-part exam question

Buffers and weak acids multi-part exam question

Predicting IMFs and linking to boiling point

Predicting IMFs and linking to boiling point

NMR Levelled Response (six marker) question plus D2O

NMR Levelled Response (six marker) question plus D2O

Applied V=24n question (limiting reagent)

Applied V=24n question (limiting reagent)

Advanced V=24n question (% of toxic gas in a room)

Advanced V=24n question (% of toxic gas in a room)

Connecting solubility to pH of a saturated solution of a weak acid

Connecting solubility to pH of a saturated solution of a weak acid

A* skills in A level chemistry

A* skills in A level chemistry

Titration worked question with applied scaling factor

Titration worked question with applied scaling factor

Working out the molar mass by titration

Working out the molar mass by titration

Aspirin tablet determination (two different reactions, one technique)

Aspirin tablet determination (two different reactions, one technique)

Connecting melting points of metals with strength of metallic bonds

Connecting melting points of metals with strength of metallic bonds

Acid base exam questions

Acid base exam questions

Kw and ionic product of water quick review and exam question

Kw and ionic product of water quick review and exam question

Weak acid strength from pKa values and constructing conjugate acid base pairs

Weak acid strength from pKa values and constructing conjugate acid base pairs

Buffers in the blood six marker

Buffers in the blood six marker

Applied Kc calculation question (calculating molar quantity from Kc value)

Applied Kc calculation question (calculating molar quantity from Kc value)

Acids and dilution unstructured 4 marker

Acids and dilution unstructured 4 marker

Understanding acyl chloride reactions

Understanding acyl chloride reactions

Shapes of molecules chemistry olympiad question (corrected)

Shapes of molecules chemistry olympiad question (corrected)

Alcohols and carbonyl compounds levelled response question

Alcohols and carbonyl compounds levelled response question

Blast furnace reaction - equation construction and moles from large masses

Blast furnace reaction - equation construction and moles from large masses

Constructing a balanced equation and an ionic equation

Constructing a balanced equation and an ionic equation

Empirical formula from masses of each element

Empirical formula from masses of each element

Unstructured boiling points and IMFs question

Unstructured boiling points and IMFs question

Calculating the isotopic abundance

Calculating the isotopic abundance

Electrical conductivity related to structure 5 mark question

Electrical conductivity related to structure 5 mark question

Comparing bonding types - unstructured question and exam technique

Comparing bonding types - unstructured question and exam technique

Water of crystallisation calculation

Water of crystallisation calculation

Constructing a balanced equation from a word description of a reaction

Constructing a balanced equation from a word description of a reaction

Applied relative atomic mass calculation question

Applied relative atomic mass calculation question

Predicting equilibrium amounts in gas mixtures MCQ

Predicting equilibrium amounts in gas mixtures MCQ

Constructing a formula from elements' positions in the periodic table

Constructing a formula from elements' positions in the periodic table

Applied acid base titration question with dilution and scaling

Applied acid base titration question with dilution and scaling

Finding the missing bond enthalpy - combustion of cyclohexene

Finding the missing bond enthalpy - combustion of cyclohexene

Applied gas moles question (pV = nRT)

Applied gas moles question (pV = nRT)

Aromatics typical exam questions

Aromatics typical exam questions

Synthesis and percentage yield levelled response question

Synthesis and percentage yield levelled response question

Diels-Alder reaction : applied A level curly arrows mechanism question

Diels-Alder reaction : applied A level curly arrows mechanism question

Recognising polar molecules worked MCQs

Recognising polar molecules worked MCQs

Determination of the identity of an unknown element

Determination of the identity of an unknown element

Determination of the maximum safe level of bromine MCQ

Determination of the maximum safe level of bromine MCQ

Group 2 and Group 7 selected exam questions

Group 2 and Group 7 selected exam questions

Dissolving precipitation and neutralisation microscale

Dissolving precipitation and neutralisation microscale

Aspirin six mark exam question (synthesis and percentage yield)

Aspirin six mark exam question (synthesis and percentage yield)

Applied organic synthesis question (aspirin)

Applied organic synthesis question (aspirin)

Structured buffer calculation including dilution effect on concentrations

Structured buffer calculation including dilution effect on concentrations

Using electrode potential values to explain observations in redox reactions

Using electrode potential values to explain observations in redox reactions

Explaining differences in boiling points using electronegativity

Explaining differences in boiling points using electronegativity

Synoptic enthanedioic acid question

Synoptic enthanedioic acid question

Succinic acid synoptic question

Succinic acid synoptic question

Equilibrium and observations exam Q

Equilibrium and observations exam Q

Applied organic chemistry synoptic style

Applied organic chemistry synoptic style

Applied problem solving structure determination question

Applied problem solving structure determination question

Calorimetry levelled response question

Calorimetry levelled response question

Exploring various aspects of an unknown weak acid

Exploring various aspects of an unknown weak acid

Applied first year equilibrium exam question

Applied first year equilibrium exam question

Buffer pH exam question

Buffer pH exam question

Applied enthalpy of solution question (quick review first)

Applied enthalpy of solution question (quick review first)

Predicting colour change in an indicator MCQ

Predicting colour change in an indicator MCQ

Working out the identity of an element MCQ

Working out the identity of an element MCQ

Transition metals ligand substitution and precipitation (6 marker)

Transition metals ligand substitution and precipitation (6 marker)

Alcohols identification – experimental plan six marker

Alcohols identification – experimental plan six marker

Titrations and percentage uncertainty

Titrations and percentage uncertainty

Balancing using oxidation numbers MCQ

Balancing using oxidation numbers MCQ

Explaining observations using electrode potentials

Explaining observations using electrode potentials

Applied sulfate(IV) redox titration

Applied sulfate(IV) redox titration

Unstructured Kc calculation question including ICE method

Unstructured Kc calculation question including ICE method

Buffer pH multiple choice question

Buffer pH multiple choice question

Titration multiple choice question

Titration multiple choice question

Applied Hess’s Law question combustion or formation?

Applied Hess’s Law question combustion or formation?

Applied gas moles and reaction enthalpy MCQ

Applied gas moles and reaction enthalpy MCQ

Applied Avogadro’s constant multiple choice question

Applied Avogadro’s constant multiple choice question

Determination of the identity of a group 2 element MCQ

Determination of the identity of a group 2 element MCQ

Applied calorimetry question q = mcΔT

Applied calorimetry question q = mcΔT

Constructing and using a Born-Haber cycle for ΔsolH

Constructing and using a Born-Haber cycle for ΔsolH

Rosemary and Frieya do "find the missing isotope"

Rosemary and Frieya do "find the missing isotope"

Electrode potentials and equilibria exam question

Electrode potentials and equilibria exam question

Kp and controlling PoE "in terms of Kp"

Kp and controlling PoE "in terms of Kp"

Challenging Arrhenius question

Challenging Arrhenius question

Explaining differences in boiling points of group 5 hydrides using IMFs

Explaining differences in boiling points of group 5 hydrides using IMFs

Rate and order determination using graphical methods: levelled question

Rate and order determination using graphical methods: levelled question

Applied graphical Gibbs equation question

Applied graphical Gibbs equation question

Collision theory and rate of reaction in graphical sketches

Collision theory and rate of reaction in graphical sketches

Acid anhydrides exam Q

Acid anhydrides exam Q

Opposing changes to concentration effects on rate

Opposing changes to concentration effects on rate

Half life of a reactant MCQ

Half life of a reactant MCQ

Organic synthesis of ethyl-2-aminopropanoate levelled response

Organic synthesis of ethyl-2-aminopropanoate levelled response

Applying first year acid base equations to an amino acid

Applying first year acid base equations to an amino acid

Deduction of a compound’s structure from selected data and info

Deduction of a compound’s structure from selected data and info

Calculating the Mr of a section of polymer

Calculating the Mr of a section of polymer

Unsaturation in organic compounds

Unsaturation in organic compounds

Applied electrode potentials question: ion concentration, equilibrium and feasibility

Applied electrode potentials question: ion concentration, equilibrium and feasibility

Selected bond enthalpies questions

Selected bond enthalpies questions