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Organic Chemistry Questions and Answers – Polyhalogen Derivatives | Organic Chemistry Multiple Choice Questions and Answers

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) What will be the product for the given reaction?
[A] CCl3CHO
[B] C6H6Cl6
[C] C6H12Cl6
[D]

C6H9Cl2

Answer: C6H6Cl6
(2) The molecular formula of DDT has how many chlorine atoms?
[A] 5 chlorine atoms
[B] 2 chlorine atoms
[C] 3 chlorine atoms
[D] 4 chlorine atoms
Answer: 5 chlorine atoms
(3) What is the IUPAC name of chloroform?
[A] Dichloromethane
[B] Trichloromethane
[C] Chloromethane
[D] Carbon tetrachloride
Answer: Trichloromethane
(4) Which among the following is true?
[A] Freon does not initiate radical chain reactions in stratosphere
[B] Iodoform initiates radical chain reactions in stratosphere
[C] Freon initiates radical chain reactions in stratosphere
[D] Chloroform initiates radical chain reactions in stratosphere
Answer: Freon initiates radical chain reactions in stratosphere
(5) CFxCly [where x + y = 4], why these compounds are not used?
[A] These are fluoro carbons
[B] These are difficult to synthesise
[C] They deplete ozone layer
[D] These are very expensive
Answer: They deplete ozone layer
(6) Which one of the following is the correct formula of methylene dichloride?
[A] ClCH = CHCl
[B] ClC ≡ CCl
[C] CH2Cl2
[D] CH2(Cl) CH2Cl
Answer: CH2Cl2
(7) Central nervous system can be depressed by the use of which of the following?
[A] Chloroform
[B] Freon
[C] Iodoform
[D] DDT
Answer: Chloroform
(8) How Benzene hexachloride (BHC) is used?
[A] Insecticides
[B] Fertilizers
[C] Anaesthetics
[D] Antiseptics
Answer: Insecticides
(9) Depletion of Ozone is believed to increase which of the following?
[A] Population
[B] Ultraviolet rays
[C] Pollution
[D] Greenery
Answer: Ultraviolet rays
(10) Which is the correct formula of Freon-12?
[A] CCl2F2
[B] CClF3
[C] CHCl2F
[D] CCl3F
Answer: CCl2F2
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