How many o bonds are in the propyne molecule, CH3C = CH?
Chemistry_2015_STPM term 3_Objectives

Quiz
•
Chemistry
•
12th Grade
•
Hard
Loh Jane
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3
5
6
8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The structure formula of warfarin is shown below.
Warfarin is classified as
an ester
an aldehyde
a phenol
a carboxylic acid
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
K, L, M and N are isomeric alcohols.
K : CH3CH2CH2CH2OH
L : CH3CH(CH3)CH2OH
M : CH3CH(OH)CH2CH3
N : (CH3)3COH
Which series of alcohols is arranged in order of their increasing boiling points?
K, L, M, N
N, M, K, L
L, K, M, N
N, M, L, K
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The acidity of the following organic compounds can be determined from their pKa value.
Which is the correct sequence of the compounds according to the ascending order of pKa values?
Ⅰ, Ⅱ, Ⅲ, Ⅳ
Ⅱ, Ⅲ, Ⅰ, Ⅳ
Ⅳ , Ⅰ, Ⅲ, Ⅱ
Ⅳ , Ⅲ, Ⅰ, Ⅱ
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cyclohexane, C6H12, undergoes a free radical substitution reaction with bromine. What is the number of propagation step involved in this reaction to form C6Br12?
6
12
18
24
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement is true about 3-methyl-1-butene?
It has a geometrical isomer
It is a monomer of natural rubber
It undergoes nucleophilic addition reaction.
It reacts with acidified KmnO4n solution to produce 2-methylpropanois acid.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The compounds C6H5CH2Cl and C6H5Cl undergo the same types of reaction towards
chlorine with the presence of iron (Ⅲ) chloride
ethanolic solution of potassium cyanide
aqueous solution of sodium hydroxide
concentrated ammonia solution
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