WorksheetsOrganic Identification - Level 2 NCEA Chemistry
Total questions: 25
Worksheet time: 13mins
Will turn RED litmus BLUE
amine
alcohol
carboxylic acid
haloalkane
Will turn BLUE litmus RED
amine
alcohol
carboxylic acid
haloalkane
Will rapidly decolourise Br2 water
alkane
alkene
alcohol
amine
Will slowly decolourise Br2 water - needs uv and/or heat
alkane
alkene
carboxylic acid
amine
Will turn GREEN Universal Indicator BLUE
amine
alcohol
carboxylic acid
haloalkane
Would produced bubbles of colourless gas with NaHCO3
amine
alcohol
carboxylic acid
haloalkane
Would turn MnO4- from purple to brown
alkane
alcohol
amine
alkene
Would turn H+/MnO4- from purple to colourless (no heat needed)
alkane
alcohol
amine
alkene
Would turn H+/Cr2O72- from orange to green (heat needed)
alkane
alcohol
amine
alkene
2-chlorobutane is_______ in water
soluble
insoluble
propanoic acid is_______ in water
soluble
insoluble
butan-2-amine is_______ in water
soluble
insoluble
heptane is_______ in water
soluble
insoluble
hexanoic acid is_______ in water
soluble
insoluble
Colour change when H+/MnO4- is warmed with a primary alcohol
purple to brown
purple to colourless
orange to green
orange to colourless
Colour change when ethene is shaken with Br2 water
purple to brown
purple to colourless
orange to green
orange to colourless
Type of reaction (unbalanced).
CH3CH2Cl → CH3CH2OH
addition
substitution
elimination
oxidation
Type of reaction (unbalanced).
CH2=CH2 → CH3CH2OH
addition
substitution
elimination
oxidation
Type of reaction (unbalanced).
CH3CH2Cl → CH2=CH2
addition
substitution
elimination
oxidation
Type of reaction (unbalanced).
CH2=CH2 → CH2Br-CH2Br
addition
substitution
elimination
oxidation
Type of reaction (unbalanced).
CH2=CH2 → CH2OH-CH2OH
addition
substitution
elimination
oxidation
Type of reaction (unbalanced).
CH3CH2OH → CH2=CH2
addition
substitution
elimination
oxidation
Type of reaction (unbalanced).
CH3CH2OH → CH3COOH
addition
substitution
elimination
oxidation
Type of reaction.
CH3COOH + NaOH → CH3COO-Na+ + H2O
acid-base
substitution
elimination
oxidation
Type of reaction.
CH3COOH + NaHCO3 →
CH3COO-Na+ + H2O + CO2
acid-base
substitution
elimination
oxidation
