Final Exam Flashcards
In the nucleophilic substitution at saturated carbon experiment, you prepared a 100mL of 50% 2-propanol and 50% water as a solvent. Then you reacted 2-bromo-2-methylpropane and 2-bromopropane in the presence of a NaOH hydroxide solution. Which alkyl halide reacted first and why?
2-bromo-2methylpropane because the reaction goes through SN1 mechanism
Why was H2SO4 utilized during the dehydration of alcohol?
H2SO4 was utilized during the reaction to facilitate the formation of water which is the leaving group
Dehydration of 2-methylcyclohexane is a
elimination reaction
In the dehydration of cyclohexanol experiment, you added at the end anhydrous CaCL2 what was the purpose of it?
to remove any water (dry the product)
A test for the presence of C=C where the purple color of the KMnO4 decolorized and brown precipitate of MnO2 is formed. This reaction is called…
solubility
What will happen when bromine is added to ethene?
reddish brown color of bromine dicolorised
Which reagent was used in Baeyers test?
KMnO4
What is formed from CH3-CH=CH2 + Br2 –>
CH3CHBrCH2Br
Potassium permanganate in alkaline solution can be used to oxidise ___ to 1,2-diols
alkenes
Baeyers oxidation reaction is an example of ?
syn addition
Bromine addition to unsaturated hydrocarbon follows?
anti-addition
Which tests show can be used to show that a phenol is present?
iron (iii) chloride test
A positive chromic acid test gives what shade of color?
green
which of the following would NOT react in the chromic acid test?
tertiary alcohols
Conversion of an aldehyde to an alcohol is generally known as…
oxidation
