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AQA 2024 AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Question Paper & Mark scheme + Insert (Merged) June 2024 Updated Version £6.76   Add to cart

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AQA 2024 AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Question Paper & Mark scheme + Insert (Merged) June 2024 Updated Version

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AQA 2024 AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Question Paper & Mark scheme + Insert (Merged) June 2024 Updated Version Silver nitrate+ nitric acid + chloride ions - Correct Answer>>White precipitate Silver nitrate+ nitric acid + bromide ions - Correct Answer>>C...

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AQA 2024 AS CHEMISTRY 7404/2 Paper 2
Organic and Physical Chemistry Question
Paper & Mark scheme + Insert (Merged) June
2024 Updated Version
Silver nitrate+ nitric acid + chloride ions - Correct Answer>>White precipitate


Silver nitrate+ nitric acid + bromide ions - Correct Answer>>Cream precipitate


Silver nitrate+ nitric acid + iodide ions - Correct Answer>>Yellow precipitate


Substances that decolorise bromine water - Correct Answer>>Alkenes


Electrophiles - Correct Answer>>Electron pair acceptors, attracted to electrons e.g H+


NaF and NaCl - Correct Answer>>Produces misty fumes with conc sulphuric acid


NaBr - Correct Answer>>Produces misty and orange/brown fumes with conc sulphuric acid


NaI - Correct Answer>>Produces misty fumes, purple vapour, bad egg smell with conc sulphuric
acid


Le chateliers principle - Correct Answer>>If a factor affecting the equilibrium is changed the
equilibrium will shift to oppose this change


Enthalpy change - Correct Answer>>The overall temperature change at a constant pressure of a
reaction


Hess's law - Correct Answer>>The overall enthalpy change of a reaction at a constant pressure
is independent to the route taken

, Why does E-Z isomerism occur - Correct Answer>>Due to the restriction of the double carbon
bond


Positional isomers - Correct Answer>>The functional group is attached to a different carbon


Functional group isomers - Correct Answer>>Same atoms arranged into different functional
groups e.g cyclohexane and hexene


Dative covalent bond - Correct Answer>>A bond of shared electrons where both electrons are
supplied from one of the atoms


Kelvin - Correct Answer>>Temperature in degrees Celsius + 273


Metres cubed - Correct Answer>>The unit of volume in ideal gas equation


Number of particles= - Correct Answer>>Number of moles x avogadros constant


Linear - Correct Answer>>2 bonding pairs, 0 lone pairs, 180 bond angle


Trigonal planar - Correct Answer>>3 bonding pairs, 0 lone pairs, 120 bond angle


Tetrahedral - Correct Answer>>4 bonding pairs, 0 lone pairs, 109.5 bond angle


Trigonal bipyramidal - Correct Answer>>5 bonding pairs, 0 lone pairs, 90 and 120 bond angle


Pyramidal - Correct Answer>>3 bonding pairs, 1 lone pair, 107 bond angle

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