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Organic Chemistry Questions and Answers – Saponification | Organic Chemistry Multiple Choice Questions and Answers

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Free download in PDF Organic Chemistry Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>

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(1) Which of the following processes can saponification be used for?
[A] For the production of plastics
[B] In blow glass artistry
[C] To make soap
[D] The formation of alloys
Answer: To make soap
(2) What is the name of the soap produced through the saponification of this triglyceride?

[A] Sodium dececanoate
[B] Sodium oleate
[C] Sodium stearate
[D] Sodium acetate
Answer: Sodium stearate

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(3) Lye is used in soap-making. Lye is a concentrated solution of which ionic compound?
[A] K2CO3
[B] CuSO4
[C] NaOH
[D] NaCl
Answer: K2CO3
(4) Which of the following term describe saponification?
[A] Cleaving of ester molecules into carboxylic acid and alcohol
[B] Dehydration synthesis by removing water
[C] Hydrolysis of a salt by adding a weak acid
[D] Synthesis of two alkyl groups to make an ether
Answer: Cleaving of ester molecules into carboxylic acid and alcohol
(5) Which of the following is considered a useful alkali in saponification reactions?
[A] CCl4
[B] Cl–
[C] NaOH
[D] Pb+
Answer: NaOH
(6) Which of the following statement is true about saponification value of oil?
[A] The shorter the chain of fatty acid, the higher is the saponification value
[B] The shorter the chain of fatty acid, the higher is the saponification value
[C] The higher the saturation in chain of fatty acid, the lower is the saponification value
[D] The lower the saturation in chain of fatty acid, the higher is the saponification value
Answer: The shorter the chain of fatty acid, the higher is the saponification value
(7) Which of the following fat or oil is unsaponifiable?
[A] Paraffin wax
[B] Bee wax
[C] Olive oil
[D] Shea butter
Answer: Paraffin wax
(8) Saponification value is the number of milligrams of KOH required to saponify what present in the 1g of oil or fat?
[A] Salts
[B] Hydrocarbon
[C] Fatty acids
[D] unsaturation
Answer: Fatty acids
(9) Which of the following compound is an industrial manufacturing product by saponification?
[A] Sodium chloride
[B] Potassium hydroxide
[C] Glycerol
[D] Sodium hydroxide
Answer: Glycerol
(10) Soap can be precipitated out by salting by using which chemical compound?
[A] Sodium chloride
[B] Potassium hydroxide
[C] Glycerol
[D] Sodium hydroxide
Answer: Sodium chloride

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