Chapter 3-5 Student Chemistry Worksheet - Class X, Central Board Of Secondary Education Page 23
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30Formative Assessment Manual for Teachers
Carbon and its Compounds - Chapter 4
●
Establish the relation between Hydrocarbon’s molecular formula and structure and
name
●
Apply the concept of nomenclature of hydrocarbon.
Task :
Individual
Procedure:
Teacher may give this worksheet to the students to access their understanding of Nomenclature of
hydrocarbons and skill of drawing the structure of the hydrcabon,
Assessment parameter: Each question carries 2 marks
Student Worksheet
Time: 10 min.
Instructions:
Given below are the name, molecular formula and structure of a few hydrocarbons. In one of the
three columns, there is some error. Identify the wrong entry and write the correct answer in the box
given beside.
Hydrocarbon Formula Structure
H
H
H
|
|
|
Propanol
C
H
O
H — C — C — C = O
3
8
|
|
H
H
H
H
H
H
|
|
|
|
Chlorobutane
C
H
CI
H — C — C — C — C — Cl
4
8
|
|
|
|
H
H
H
H
H
H
O
|
|
||
Ethanoic acid
C
H
COOH
H — C — C — C — OH
2
5
|
|
H
H
H
O
H
|
||
|
Propanone
C
H
O
H — C — C — C — H
3
7
|
|
H
H
53
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