wjec a level chemistry unit 2 organic reactions

unit 2 organic reaction conditions

Conditions for cracking

high temp + catalyst

combustion conditions

oxygen (incomplete combustion) or excess oxygen (complete combustion)

hydrogenation conditions

150°C + catalyst (Ni, Pt, Pd)

electrophilic addition conditions (alkene + HX)

room temperature

hydration conditions

steam, 60atm, 300°C, catalyst (H₃PO₄)

Halogenation conditions

UV light

Nucleophilic substitution conditions

reflux

elimination conditions

reflux + NaOH(ethanol)

dehydration conditions

concentrated H₂SO₄ + 180°C

esterification conditions

distilled set up to remove ester as soon as its formed + concentrated H₂SO₄