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WorksheetsLaboratory Midterm Examination for Inorganic & Organic Chemistry
Total questions: 20
Worksheet time: 10mins
Which of the following materials were used on the experiment identifying the alcohol, EXCEPT
wash bottle
pipette
graduated cylinder
glass rod
Which of the following alcohol solution showed no layers in the reaction, EXCEPT
ethanol
2-propanol
2-methyl-2-butanol
unknown alcohol A
Which of the following alcohol solution showed solubility in hexane, EXCEPT
ethanol
2-propanol
1-pentanol
2-methyl-2-butanol
Which of the following took place when 2-propanol solution was added with Jone's reagent?
grayish tent slightly reduced
grayish tent slightly oxidized
grayish tent not oxidized
grayish tent was fully reduced
Which of the following was used to oxidized the alcohol solution?
methylene blue
chromic acid
HCl
phenolpthalein
Which of the following may affect the solubility of the alcohol?
volume
capability to produce hydrogen bond
temperature
pressure
Which of the following are the expected output of solubility of primary alcohols, EXCEPT
solubility of primary alcohol
physical and chemical property of alcohol
determine the acidity and basicity
distinguish the alcohol solubility
Which of the following alcohol solution showed uniform reaction in water with food coloring?
1-butanol
ethanol
1-pentanol
1-hexanol
How many drops of food coloring was used in each of the alcohol sample?
1 drop
2 drops
3 drops
4 drops
Which of the following solution was used in the phenols experiment, EXCEPT
sodium hydroxide
ferric chloride
diluted sodium hydroxide
hydrochloric acid
Which of the following was conducted in the litmus paper test in phenols experiment, EXCEPT
Took a small quantity of organic compound using spatula
Placed the blue litmus paper taken on the watch glass
Observed the change of color
heated the solution
Which of the following was conducted in the ferric chloride test in phenols experiment, EXCEPT
diluted the sample
Took a small quantity of organic compound using spatula
Added small quantity of ferric chloride solution taken on a test tube
Observed the change of color
What is the resulting characteristics of litmus paper test?
strong acid
weak acid
strong base
weak base
What is the resulting characteristics of ferric chloride test?
simple reaction
complex reaction
no reaction at all
cannot be determined
What is the reaction of Phthalein Dye Test?
blue
dark gray
violet
pink color
Which of the following solution gives
colors with a number of organic derivatives?
Liebermann’s Test
litmus paper
ferric chloride
Phthalein Dye Test
In the Liebermann’s Test, phenol on reaction with sodium nitrite showed______.
gray or green color product
yellow color product
deep blue or green color product
orange color product
In the Phthalein Dye Test, upon heating, phenol reacts with_____
phthalic anhydride
sodium hydroxide
ferric chloride
phenolpthalein
Which of the following test was observed in the phenols experiment, EXCEPT
Litmus Test
Ferric Chloride Test
liebermann’s Test
dilution test
How many ml of deionized water was used in the solubility of alcohol experiment?
2 ml
3 ml
4 ml
5ml
