PRE-COMPETENCY ASSESSMENT
Multiple Choice Select the correct answer of the following statements/questions by
encircling the letter of your choice representation of simple and linear alkene.
CH2
CH
C. CH-2 d. CH-4
It is the representation of simple and linear alkyne.
CH2 CH
C. CH-2 d. CnH2n-4
3. 1-butene and 2-butene are examples of
a. Skeletal isomers b. Positional isomers
Functional isomers d. Geometric isomers
Hydrolysis sof calcium carbide results to acetylene gas, limewater and heat. What is the
IUPAC name of acetylene gas?
a. Ethyne
c. Butyne d. Pentyne
b. Propyne
5 cleavage and combustion are examples of
Hydroxylation, oxidative Redox reactions
c. Reduction reactions
b. Oxidation reactions
d. Elimination reactions.
DISCUSSION FORUM
1. Discuss briefly and comprehensively simple alkenes and simple alkynes in terms of:
Representation Structure
c. Nomenclature
d. Reactivities and Preparation
POST-COMPETENCY ASSESSMENT
Essay: Answer briefly and comprehensively the following statements/questions:
1. Explain the chemistry concepts and principles of this chemical equation.
Steam
2CH4
H-CC-H
3H2g)
2. What is the product of addition reaction of 2-butene with hydrogen bromide? Show
your chemical equation and explain its reaction mechanism.
1,200°C
3. Show the chemical equations for incomplete and complete combustion of acetylene
gas (ethyne) and discuss its reaction mechanism.