B.Sc. Third year Undergraduate degree course Semester Fifth Organic chemistry
Chapter:- Fats, oils and detergents
Natural fats, edible and
industrial oils of vegetable origin, manufacture of soyabean oil by solvent
extraction method and isolation and uses of essential oils. Types of animals
fats and oils and defination of saponification value, iodine value, and acid
value. Detergents: Defination, Introduction and preparation of sodium alkyl
sulphonate, alkyl benzene sulphonate, and amide sulphonate, (one example each),
Cleansing action of detergent.
Multiple Choice questions:
1. Melting point of fat is __and melting point of oil is __a) Higher, higher
b) Lower, lower
c) Higher, lower
d) Lower, higher
2. Which of the following is an example of fats?
a) Glyceryl trioleate
b) Vegetable ghee
c) Coconut oil
d) Groundnut oil
3. Select the incorrect statement from the following option.
a) Oils are saturated triglyceride
b) Oils have lower melting points
c) Oils are liquid at room temperature
d) Examples of oils are glyceryl trioleate, coconut oil, olive oil, etc.
4. Which of the following is not a suitable solvent for oils and fats?
a) Benzene
b) CCl4
c) CHCl3
d) Water
5. Saponification is hydrolysis ______
a) By alkalis
b) In digestive tracts of human beings
c) By acids
d) By salts
6. Hydrogenation is the conversion of unsaturated acid groups into the saturated one by a catalyst ____
a) Ti
b) Pb
c) Ni
d) Sn
7. Vegetable ghee is manufactured by ____________
a) Saponification
b) Hydrogenation
c) Oxidation polymerisation
d) Reduction polymerization
8. Triacylglycerols are….
a) Energy rich compounds
b)Can be stored in unlimited amount
c)Non polar in nature
d) All of these
9. Oils and fats are converted to soap in a process called _?
a) Hydrogenation
b) Esterification
c) Saponification
d) None of these
a) Whole eggs.
b) Fatty fish
c) Nuts
d) All of the above
a) Soyabean
b) Sunflower
c) Peanuts
d) All of these
a) Fatty materials
b) Salts
c) Free acids
d) Bases
13. Which of the following is not saponifiable?
a) Ground nut oils
b) Mineral oils
c) Castor oil
d) Coconut oil
14. _____get large amount of alkali to hydrolysis.
a) Baby oil
b) Liquid paraffin
c) Vegetable oil
d) Liquid petroleum
15. The saponification value of vegetable oil is _______
a) Very high
b) Very low
c) Moderate
d) Cannot be determined
16. Iodine value is used to determine…
a) Degree of acidity
b) Degree of unsaturation
c) Degree of saponification
d) Degree of esterification
a) Acid number
b) lodine number
c) Richert - Meial number
d) Saponification
18. Iodine number is defined as number of grams of iodine needed for the iodination of …………gram of oil or fat.
a) 1
b) 5
c) 100
d) 1000
19. Which of the following tells the amount of free fatty acids present in fats or oils?
a) Acid number
b) Iodine number
c) Saponification number
d) None of these
a) Anionic surfactant
b) Cationic surfactant
c) Non ionogenic surfactant
d) Amphylitic surfactant
a) Sulphonate
b) Nitrate
c) Oxalate
d) Phophate
a) Ehanoic acid
b) Ethanol
c) Benzene
d)
Propylene
More Study Material MCQ and pdf Notes semester V
Spectroscopy MCQ
Click here
Organometallic Compounds MCQ
Click here
Organic Synthesis via Enolates MCQ
Click here
Fats, oils and detergents MCQ
Click here
V Semester Physical Chemistry
Elementary quantum mechanics MCQ-3
Click here
Elementary quantum mechanics MCQ-2
Click here
Elementary quantum mechanics MCQ-1
Click here
Introduction to Spectroscopy MCQ-2
Click here
Introduction to Spectroscopy MCQ-1
Click here
Photochemistry MCQ-3
Click here
Photochemistry MCQ-2
Click here
Photochemistry MCQ-1
Click here
B.Sc. Third Year Chemistry Old Question papers Semester-V Paper No. XIII, XIV
Click here
Elementary quantum mechanics. Handwritten notes
Click here
Nano materials pdf Handwritten notes
Click here
Photochemistry pdf Notes download
Click here
Introduction to Spectroscopy pdf
Click here
Molecular structure and physical properties pdf Notes
