Final Notes 1 Flashcards
Cracking catalyst
Unglazed porcelain
Aspirin groups
Carboxyl gp COOH
Ester COO
Benzene ring
How to eliminate water of crystallization
Dry in oven
Reducing polution ways
What is reduced
Catalytic converter NO CO
Unleaded petrol Pb compounds
Scrubbers SO2
Lpg vehicles C compounds
Electrostatic precipitator Particulates
Org reaction with heat
Alkene hydrogenation
All alcohol
Esterification
Hydrolysis amide and ester
Org reaction reversible
Only acid hydrolysis esters
Soap answering
Ionic hydrophillic head
Hydrocarbon hydrophillic tail
Dissolves Surrounds
Repels removed dirt
Al2O3
In acid
In alkali
In water
Al2O3 + 6H+ -> 2Al 3+ + 3H2O
Al2O3 + 2OH- + 3H2O -> 2Al(OH)4-
Insoluble in water
SiO2
Alkali
Water
SiO2 + 2OH- -> SiO3 + H2O
Insoluble in water
Solubility halides
All ok except Ag Pb
Solubility sulphate
All except Ag Pb Ba Cu
Solubility carbonate
All NOT except K Na NH4
Solubility oxides
All NOT except K Na Ca
Solubility hydroxide
All NOT except K Na Ca slightly
Metal ions with alkali
Coloured results
Normal amount
Excess NaOH
Excess NH3
Fe2+ All Green All PPT
Fe 3+ All Brown All PPT
Cu2+ All Blue PPT except excess nh3
Ag+ Dark brown PPT only in NorMaL Amount