wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Last quiz for prelim

Total questions: 25

Worksheet time: 9mins

Name
Class
Date
1.
Which of these reactions favors the breaking down of double sugar?
a)
Hydrolysis
b)
Subtraction
c)
Hydrogenation
d)
Coagulation
2.
It the branch of chemistry concerned with the three-dimensional arrangement of atoms and molecules and the effect of this on chemical reactions.
a)
Geochemistry
b)
Symmetrical Biochemistry
c)
Stereochemistry
d)
3D Modeling
3.
The existence of molecules that have the same numbers of the same kinds of atoms but differ in chemical and physical properties is a/an ___________.
a)
Enantiomer
b)
Isomerism
c)
Stereocenter
d)
Physical positioning
4.
It is a type of isomerism which have the same molecular formula but atoms occupy different positions or arrangement in space.
a)
Constitutional Isomerism
b)
Structural Isomerism
c)
Stereoisomerism
d)
Stereocenter
5.
This refers to the type of isomerism which has the same molecular formula but different structural formulae.
a)
Constitutional Isomerism
b)
Isomers
c)
Stereoisomerism
d)
Stereocenter
6.
This occurs due to the restricted rotation of C=C double bond. Substituents are locked in position next to or opposite each other.
a)
Constitutional Isomerism
b)
Structural Isomerism
c)
Geometrical Isomerism
d)
Stereocenter
7.
Which of the following has a chiral center?
a)
CH3-CH2-CH2-CH­2-­Cl
b)
CH3-CH2-CH-Cl-CH3
c)
(CH3)2-CH-CH2-Cl
d)
(CH3)3-C-CL
8.
In R and S configuration, atoms/groups are ranked based on the _________.
a)
electron number
b)
number of proton
c)
atomic mass/atomic number
d)
maximum bond of an atom
9.
A sawhorse projection is similar to ___________, but it shows the carbon-carbon bond that is hidden in ______________.
a)
Newman projection
b)
Fischer projection
c)
Wedge and dash
d)
Haworth's Projection
10.
Which of the following is true?
a)
Cis – non-hydrogen groups/atoms on the same side of C=C bond
b)
Trans – non-hydrogen groups/atoms on opposite sides of C-C bond
c)
Trans - non-hydrogen groups/atoms on the same side of C=C bond
d)
Cis - non-hydrogen groups/atoms on opposite sides of C=C bond
11.
Which of the following is true about geometrical isomerism
a)
It forms when you get two similar atoms/groups attached to one end of a C=C bond.
b)
Substituents are locked in position next to or opposite each other because of single covalent bonds
c)
Two similar atoms/groups are attached to both carbons
d)
Two different and two similar atoms/groups are attached to both carbons.
12.
Using a polarimeter, we can differentiate enantiomers. If the light appears to have turned to the right, it is________
a)
Levorotatory
b)
Dextrorotatory
c)
Cis
d)
Trans
13.
Which of the following is NOT true about racemic mixture?
a)
It is also called racemate
b)
The racemic acid was the first known racemic mixture
c)
It has unequal amount of left and right handed enantiomer.
d)
It has zero optical rotation
14.

How many stereocenters or chiral centers are present in this compound?

a)

2

b)

3

c)

4

d)

5

15.

Which of the following is the Newman projection of the compound below if the observer is in the left?

a)
b)
c)
d)
16.

Which of the choices best describes the molecule above?

a)

cis or E

b)

trans or E

c)

trans or Z

d)

cis or Z

17.

What is the function of carbohydrates in our body?

a)

Speed up chemical reactions

b)

Help to store energy

c)

Maintain body temperature

d)

Give immediate energy

18.

34. How do carbohydrates differ from other biological molecules?

a)

Carbohydrates always have rings

b)

Carbohydrates contain nitrogen

c)

Carbohydrates consist of carbon bonded to hydrogen and a hydroxyl group

d)

Carbohydrates contain nucleic acid

19.

Acetal derivatives formed when a monosaccharide reacts with an alcohol in the presence of an acid catalyst are called ______________.

a)

Aldehyde

b)

Glycosides

c)

Phosphorylation

d)

Decarboxylation

20.

Where can we commonly find lactose?

a)

Malt beer

b)

Table sugar

c)

Breast milk

d)

Fruits

21.

Which of the following carbohydrates is a triose?

a)

Glucose

b)

Ribose

c)

Ribulose

d)

Glyceraldehyde

22.

How many oxygen atoms are there in a disaccharide?

a)

10

b)

11

c)

12

d)

22

23.

Which of these reactions favors the breaking down of double sugar?

a)

Hydrolysis

b)

Subtraction

c)

Hydrogenation

d)

Coagulation

24.

What is the most abundant monosaccharide?

a)

Fructose

b)

Galactose

c)

Dextrose

d)

Sucrose

25.

Which of the following is NOT a diastereomer of the compound SSSS?

a)

SSRR

b)

SRRR

c)

RRSR

d)

RRRR

Similar Resources on Wayground

Solution Review

20 questions

Solution Review

quiz

Worksheet

•

9th Grade

Plant Nutrition

20 questions

Plant Nutrition

quiz

Worksheet

•

10th - 11th Grade

the polar life

20 questions

the polar life

quiz

Worksheet

•

7th Grade

Earth: The Water Planet

20 questions

Earth: The Water Planet

quiz

Worksheet

•

KG - University

Heterocyclic Compounds Unit III

21 questions

Heterocyclic Compounds Unit III

quiz

Worksheet

•

University

Cell Quiz

20 questions

Cell Quiz

quiz

Worksheet

•

6th - 9th Grade

KINGDOM PLANTAE

20 questions

KINGDOM PLANTAE

quiz

Worksheet

•

12th Grade

Chemistry QUIZ

20 questions

Chemistry QUIZ

quiz

Worksheet

•

University