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Organic Identification - Level 2 NCEA Chemistry

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Will turn RED litmus BLUE

a)

amine

b)

alcohol

c)

carboxylic acid

d)

haloalkane

2.

Will turn BLUE litmus RED

a)

amine

b)

alcohol

c)

carboxylic acid

d)

haloalkane

3.

Will rapidly decolourise Br2 water

a)

alkane

b)

alkene

c)

alcohol

d)

amine

4.

Will slowly decolourise Br2 water - needs uv and/or heat

a)

alkane

b)

alkene

c)

carboxylic acid

d)

amine

5.

Will turn GREEN Universal Indicator BLUE

a)

amine

b)

alcohol

c)

carboxylic acid

d)

haloalkane

6.

Would produced bubbles of colourless gas with NaHCO3

a)

amine

b)

alcohol

c)

carboxylic acid

d)

haloalkane

7.

Would turn MnO4- from purple to brown

a)

alkane

b)

alcohol

c)

amine

d)

alkene

8.

Would turn H+/MnO4- from purple to colourless (no heat needed)

a)

alkane

b)

alcohol

c)

amine

d)

alkene

9.

Would turn H+/Cr2O72- from orange to green (heat needed)

a)

alkane

b)

alcohol

c)

amine

d)

alkene

10.

2-chlorobutane is_______ in water

a)

soluble

b)

insoluble

11.

propanoic acid is_______ in water

a)

soluble

b)

insoluble

12.

butan-2-amine is_______ in water

a)

soluble

b)

insoluble

13.

heptane is_______ in water

a)

soluble

b)

insoluble

14.

hexanoic acid is_______ in water

a)

soluble

b)

insoluble

15.

Colour change when H+/MnO4- is warmed with a primary alcohol

a)

purple to brown

b)

purple to colourless

c)

orange to green

d)

orange to colourless

16.

Colour change when ethene is shaken with Br2 water

a)

purple to brown

b)

purple to colourless

c)

orange to green

d)

orange to colourless

17.

Type of reaction (unbalanced).

CH3CH2Cl → CH3CH2OH

a)

addition

b)

substitution

c)

elimination

d)

oxidation

18.

Type of reaction (unbalanced).

CH2=CH2 → CH3CH2OH

a)

addition

b)

substitution

c)

elimination

d)

oxidation

19.

Type of reaction (unbalanced).

CH3CH2Cl → CH2=CH2

a)

addition

b)

substitution

c)

elimination

d)

oxidation

20.

Type of reaction (unbalanced).

CH2=CH2 → CH2Br-CH2Br

a)

addition

b)

substitution

c)

elimination

d)

oxidation

21.

Type of reaction (unbalanced).

CH2=CH2 → CH2OH-CH2OH

a)

addition

b)

substitution

c)

elimination

d)

oxidation

22.

Type of reaction (unbalanced).

CH3CH2OH → CH2=CH2

a)

addition

b)

substitution

c)

elimination

d)

oxidation

23.

Type of reaction (unbalanced).

CH3CH2OH → CH3COOH

a)

addition

b)

substitution

c)

elimination

d)

oxidation

24.

Type of reaction.

CH3COOH + NaOH → CH3COO-Na+ + H2O

a)

acid-base

b)

substitution

c)

elimination

d)

oxidation

25.

Type of reaction.

CH3COOH + NaHCO3

CH3COO-Na+ + H2O + CO2

a)

acid-base

b)

substitution

c)

elimination

d)

oxidation