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Practical Organic Chemistry

Total questions: 60

Worksheet time: 3600secs

Name
Class
Date
1.

How does a lab coat protects its wearer?

4 lines
2.

What do you have to do, if you get a chemical spill into your eye?

4 lines
3.

Name the two most important emergency response equipment inside a chemical laboratory.

4 lines
4.

Suggest a chemical test to identify the presence of carbonyl group and its observation.

4 lines
5.

The following are samples that produces no soothe/black substance during the test for carbon, EXCEPT

a)

Sugar

b)

Ethyl Alcohol

c)

Naphthalene

d)

Both Ethyl alcohol and Naphthalene

e)

None of the choices

6.

Positive indicator of presence of carbon in the Test for Carbon and Hydrogen in Act. 4

a)

A.) Lime water turns milky

b)

B.) Presence of CO2 gas

c)

C.) Copper compound turns blue

d)

D.) Both A and B

e)

E.) Both B and C

7.

Positive indicator of presence of nitrogen in the Test for Nitrogen

a)

A.) Pungent smell

b)

B.) Red litmus paper turns red

c)

C.) Blue litmus paper turns blue

d)

D.) Both A and B

e)

E.) Both A and C

8.

The residue produced after heating 1g of sodium acetate and heated strongly

a)

Sodium carbonate

b)

Sodium chloride

c)

Sodium bicarbonate

d)

Sodium sulfate

e)

Sodium nitrate

9.

The addition of acidic and basic substances will result to:

a)

Formation of salt

b)

Neutralization

c)

Changing of pH to neutral state

d)

All of the choices

e)

None of the choices

10.

The strongest base and used as solvent

a)

NaCl

b)

NaOH

c)

CaO

d)

NaHCO3

e)

NaCO3

11.

Aniline mixed with HCl

a)

Soluble/Miscible

b)

Slightly soluble/Slightly miscible

c)

Insoluble/Immiscible

d)

Undetermined result

12.

Benzaldehyde mixed with Ether

a)

Soluble/Miscible

b)

Slightly soluble/ Slightly miscible

c)

Insoluble/Immiscible

d)

Undetermined result

13.

If Toluene is mixed with HCl, the result will be

a)

A.) Toluene will not mix with HCl

b)

B.) Toluene will mix with HCl

c)

C.) Formation of a precipitate

d)

D.) Both A and C

e)

E.) Both B and C

14.

The following are samples that will be soluble/miscible in benzene, EXCEPT

a)

Iodine

b)

Vulcanized rubber

c)

Lard

d)

Resin

e)

None of the choices

15.

Addition of Iodine and NaOH onto alcohol with produced a very pale yellow precipate known as __________.

a)

Triiodomethane

b)

Iodoform

c)

CHI3

d)

All of the choices

e)

None of the choices

16.

A 90 proof alcohol contains how many % alcohol content?

a)

180%

b)

60%

c)

75%

d)

45%

e)

90%

17.

The following describes the alcoholic fermentation correctly, except

a)

Oxygen is not required

b)

Substrate is not completely broken down

c)

Water is produced

d)

Produces CO2

e)

None of the choices

18.

It is a chemical that is colorless or light-yellow liquid room temperature and are usually present in all types of aromatic compounds.

a)

Toluene

b)

Alkene

c)

Benzene

d)

None of these

19.

It is the other term used for an arenium ion.

a)

sigma complex

b)

pi complex

c)

gamma complex

d)

none of these

20.

TRUE OR FALSE:

Aromatic compounds can be mixed with water to form a miscible solution.

a)

TRUE

b)

FALSE

21.

TRUE OR FALSE:

Aromatic compounds are good solvents for nonpolar solute.

a)

TRUE

b)

FALSE

22.

TRUE OR FALSE:

Petroleum is a good source of aromatic compounds.

a)

TRUE

b)

FALSE

23.

TRUE OR FALSE:

FeBr3 is a good catalyst in the bromination of benzene.

a)

TRUE

b)

FALSE

24.

a)

Aromatic

b)

Anti-Aromatic

c)

Non-aromatic

25.

a)

Aromatic

b)

Anti-Aromatic

c)

Non-Aromatic

26.

What is the function of our skin in protecting our body from infection? Select all that apply.

a)

Acts as a barrier against invading organisms.

b)

Sticky substance found in our respiratory tract.

c)

Produces sweat from sweat glands that helps wash germs off of our body.

d)

Short hairs that push out captured germs.

27.
a)
amine
b)
ketone
c)
amide
d)
carboxylic acid
28.

What functional group is NOT shown in the following picture?

a)

Halide

b)

Alcohol

c)

Amide

d)

Carboxylic acid

29.

What functional group does this organic compound have?

a)

Ketone

b)

Amide

c)

Nitro

d)

Amine

30.

Identify which functional group present in this structure.

I. Alcohol

II. Alkene

III. Amide

a)

I only

b)

I and II

c)

II and III

d)

All of the above

31.

Reagents for testing for an unsaturated alkene?

a)

Bromine Water

b)

Lime Water

c)

HBr

d)

CaCO3

32.

Which of these are tests for aldehydes?

a)

Silver Mirror Test

b)

Potassium Dichromate

c)

Benedict's Solution

d)

Fehlings Solution

33.

What is included in Tollen's reagent?

a)

AgNO3, HNO3, NH3

b)

AgNH3, HCl, NH3

c)

AgNO3, HCl, NH3

d)

AgNO3 only

34.

What is the reagent used to test for carboxylic acids?

a)

HCl

b)

NaCO2

c)

NaCO3

d)

HNO3

35.

What are the expected results from reacting iodoalkanes with NaOH then HNO3 and AgNO3?

a)

colourless

b)

white precipitate

c)

cream precipitate

d)

pale yellow precipitate

36.

What does a red precipitate in Fehlings test indicate the presence of?

a)

Carboxylic Acid

b)

Ketone

c)

Aldehyde

d)

Alcohol

37.

Why can't you use potassium dichromate to tell the difference between alcohols and aldehydes?

4 lines
38.

Give a functional group that can result in negative observation with potassium dichromate dependant on the structure of the molecule?

(a)  

39.

Which of these are positive observations for a functional group test?

a)

orange to green solution

b)

colourless to white precipitate

c)

blue to orange solution

d)

colourless to metal precipitate

40.

What's the name of the mechanism that occurs when testing for haloalkanes?

(a)  

41.

Name this compound.

a)

2 - dimethylpropane

b)

2 - methylbutane

c)

2,2 - dimethylpropane

d)

2,2 - dimethylpentane

42.
The four organic compounds found in living things are?
a)
Carbohydrates, Lipids, Nucleic Acids, and Oxygen
b)
Carbohydrates, Lipids, Proteins, and Carbon
c)
Carbohydrates, Lipids, Proteins, Nucleic Acids
d)
Carbon, Lipids, Proteins, Nucleic Acids
43.
Cpompound Function:  to provide energy, can be broken doen into sugars
a)
Lipids
b)
Proteins
c)
Nucleic Acids
d)
Carbohydrates
44.
Compound Function: Build organelles, build body parts, and helps with body defense
a)
Proteins
b)
Carbohydrates
c)
Nucleic Acids
d)
Lipids
45.
Compound Function: store long term energy
a)
Lipids
b)
Carbohydrates
c)
Nucleic Acids
d)
Proteins
46.

How many atoms of sodium (Na) are in one molecule of baking soda?

a)

1

b)

2

c)

3

d)

4

47.

the type of reaction that occur in alkenes

a)

elimination

b)

substitution

c)

addition

48.

An acid turns

a)

blue litmus to red

b)

red litmus to blue

c)

does not change the colour of litmus paper

d)

none of the above

49.

Which among the following is a mandatory precautionary measure to fight covid pandemic?

a)

Wear mask

b)

Use sanitizer or wash hands regularly

c)

Social distancing

d)

All of the above

50.
Select the correct spelling:-
a)
hypothesys
b)
hipothesis
c)
hyeposthesis
d)
hypothesis
51.
Select the correct spelling:-
a)
aparatus
b)
apparratus
c)
apparatus
d)
aparattus
52.
What type of bond is forming between oxygen and hydrogen?
a)
Ionic 
b)
Covalent
53.

Small molecules that make up larger molecules

a)

polymer

b)

monomer

c)

allotrope

d)

functional group

54.
Paper burning is a __________________ change. 
a)
physical
b)
chemical
55.
Dry ice (solid carbon dioxide) turning into carbon dioxide gas is a 
a)
physical change
b)
chemical change
56.
Dissolving Kool-Aid into water is an example of a 
a)
physical change              
b)
chemical change
57.
Color, shape, texture, and size are _____________ properties of matter.
a)
chemical
b)
liquid
c)
physical
d)
solid
58.

What captures the sun's energy?

a)

mitochondria

b)

chlorophyll

c)

stomata

d)

cytoplasm

59.
The purpose of photosynthesis is ...
a)
to make glucose
b)
to break glucose
c)
to capture energy from the sun
d)
to change carbon dioxide
60.
What is the name of this process?
a)
cellular respiration
b)
photosynthesis
c)
glycolysis
d)
stomata

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