Organic

level 2 chemistry: organic external

________: add ___ (aq), causes colour change from orange to colourless, _______ reaction

alkenes, Br2, addition

alkenes: add MnO4-/H+, causes colour change from ________ to colourless, __________ reaction

CH3-CH=CH2 —> CH3-CHOH-CH2OH

purple, oxidation

alcohols: add ______/H+, causes change from purple to colourless, __________ reaction

CH-CH2-OH —> CH-COOH

MnO4-, oxidation

________: add ______2-/H+, causes colour change from _______ to green, __________ reaction

CH3-CH2-OH —> CH3-COOH

alcohol, Cr2O2, orange, oxidation, COOH

carboxylic acid: add damp ______ litmus paper, goes ______

CH3-COOH + H20 —> CH3-COO- + _____

blue, red, H30+

carboxylic acid: add _______ / _______, causes _______ to form

CH3-COOH + Na2CO3 —> CH3-CONaO + NaOH + _____

CH3-COOH + NaHCO3 —> CH3-CONaO + CO2 + _____

Na2CO3, NaHCO3, bubbles, CO2, H2O

amines: add damp _____ litmus paper, goes ______

CH3-CH2-NH2 + H20 —> CH3-CH2-NH3+ + _____

red, blue, OH-

alkanes and alkenes are both __________ (soluble or insoluble)

insoluble

any other organic molecule with less than __ carbons is _________

4, soluble

the chemical formula for acidified dichromate is _______/H+

Cr2O2²⁻

the chemical formula for acidified permanganate is _______/H+

MnO4-

permanganate is ________

purple

dichromate is _________

orange

bromine water is ________

orange

substitution: alkane to haloalkane

add Cl2 or Br2 with UV light

substitution: haloalkane to amine

add concentrated NH3 or NH3 in alcohol solution

substution: haloalkane to alcohol

add KOH in aqueous solution

substitution: alcohol to haloalkane

add PCl3 / PCl5 / SOCl2 in reflux conditions

addition: alkene to alkane

add H2 with a Pt (platinum) catalyst

addition: alkene to haloalkane

add HCl / HBr or Cl2 / Br2 with no UV light needed

addition: alkene to alcohol

add H2O / H+ or diluted H2SO4