IMPORTANT MUST LEARN - CHEM
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chemistry stuff I need to nail
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4 Terms
purification of a liquid
Add Na2CO3 to neutralise then in separating funnel to remove aqueous layer. Add anhydrous salt to dry (MgSO4) then filter with filter paper and funnel. Distil at set boiling point.
Why benzene requires a halogen carrier
Has a delocalised pi system so is not susceptible to electrophilic attack as has lower electron density
what is E/Z isomerism
an example of stereoisomerism, caused by restricted rotation around the C=C attached to two different groups, based on point of difference that has the highest mr
what is cis/trans isomerism
a special case of E/Z isomerism in which two of the substituent groups attached to each carbon atom of the C=C are the same