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Organic Chemistry

243 MCQ questions with answers and explanations · page 9 of 10

Q201. Which of the following substances is used in preserving food items?

  1. Acitric acid
  2. Bpotassium chloride
  3. Csodium benzoate
  4. Dsodium chloride
Show answer & explanation

Answer: C) sodium benzoate

Q202. The chemical used for preserving food is—

  1. Asodium chloride
  2. Bcaustic soda
  3. Csodium benzoate
  4. Dsulfuric acid
Show answer & explanation

Answer: C) sodium benzoate

Q203. Used for food processing?

  1. Asodium carbonate
  2. Bacetic acid
  3. Csodium nitrate
  4. DBenzoic acid
Show answer & explanation

Answer: D) Benzoic acid

Q204. Tear gas is used in ______.

  1. Achloroacetyphenone
  2. BBromo Etiphenone
  3. CFluoro acetophenone
  4. Dchloroacetocusone
Show answer & explanation

Answer: A) chloroacetyphenone

Q205. Carbolic Acid is_

  1. AH²CO³
  2. BC⁶H⁵COOH
  3. CC⁶H⁵OH
  4. DC⁶H⁵CH²OH
Show answer & explanation

Answer: C) C⁶H⁵OH

Q206. The name of the compound related to Bhopal gas tragedy was ______.

  1. Amethyl alcohol
  2. BPhosphazene
  3. CMethyl Isocyanate
  4. DMethylamine
Show answer & explanation

Answer: C) Methyl Isocyanate

Q207. The main source of naphthalene is—

  1. Abitumen
  2. Bdiesel
  3. CCharcoal
  4. DCamphor
Show answer & explanation

Answer: A) bitumen

Q208. 'Phosgene' is the common name of which of the following?

  1. Acarbonyl chloride
  2. BPhosphine
  3. Ccarbon tetrachloride
  4. Dphosphorus trichloride
Show answer & explanation

Answer: A) carbonyl chloride

Q209. What is Teflon?

  1. AFluorocarbon
  2. Bhydrocarbons
  3. Cdisinfectant
  4. Dinsecticide
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Answer: A) Fluorocarbon

Q210. Orion is a polymer made from what?

  1. AAcrylonitrile
  2. BNeoprene
  3. Cvinyl chloride
  4. Dtetrafluoroethylene
Show answer & explanation

Answer: A) Acrylonitrile

Q211. It is obtained by polymerization of chloroethylene.

  1. Apolyethylene
  2. BUrea
  3. Crubber
  4. DPVC
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Answer: D) PVC

Q212. Natural rubber is a polymer of what?

  1. AIsoprene
  2. Bstyrene
  3. CButadiene
  4. DEthylene
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Answer: A) Isoprene

Q213. Which of the following is not a natural polymer?

  1. AWool
  2. Bsilk
  3. Cleather
  4. DNylon
Show answer & explanation

Answer: D) Nylon

Q214. Which of the following is not a polymer?

  1. ANylon
  2. BTeflon
  3. CCaprolactum
  4. Dpolystyrene
Show answer & explanation

Answer: B) Teflon

Q215. Which of the following polymers is used in making bullet proof windows?

  1. Apolycarbonate
  2. Bpolyurethane
  3. Cpolystyrene
  4. DPolyamide
Show answer & explanation

Answer: A) polycarbonate

Q216. Which of the following polymers is used in the manufacture of non-stick pans?

  1. ATeflon
  2. BNeoprene
  3. CPVC
  4. Dgutta-percha
Show answer & explanation

Answer: A) Teflon

Q217. Plastic is actually—

  1. AComplex compounds of saturated hydrocarbons
  2. BHigh polymers of unsaturated hydrocarbons
  3. CIsomers of unsaturated hydrocarbons
  4. Dan inorganic complex compound
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Answer: B) High polymers of unsaturated hydrocarbons

Q218. Bakelite is a polymer of phenol and others.

  1. AFormaldehyde
  2. Bacetaldehyde
  3. CBenzalide
  4. DSylaldehyde
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Answer: A) Formaldehyde

Q219. Polymerization of which of the following forms PVC?

  1. AProtein
  2. Bvinyl chloride
  3. Cstyrene
  4. DAcetylene
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Answer: B) vinyl chloride

Q220. The plastic called 'Teflon' is formed by the polymerization of which compound?

  1. AEthylene
  2. BAcetylene
  3. Cbenzene
  4. Dtrifluoroethylene
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Answer: C) benzene

Q221. What are rain coats made of?

  1. Apoly ethylene
  2. Bpolystyrene
  3. CPolycarbonates
  4. DPosikyorrhodon
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Answer: C) Polycarbonates

Q222. Which plastic is used for packing food items?

  1. Apolyvinyl chloride
  2. Bpolypropylene
  3. Cpoly ethylene
  4. Dtetrafluoro in
Show answer & explanation

Answer: D) tetrafluoro in

Q223. Which of the following is a natural fibre?

  1. Asilk
  2. BRayon
  3. CNylon
  4. Dpolyester
Show answer & explanation

Answer: C) Nylon

Q224. Which one of the following is an example of a non-cellulosic fibre?

  1. AJute
  2. BRayon
  3. CNylon
  4. Dlinen
Show answer & explanation

Answer: C) Nylon

Q225. What is wax?

  1. AEsta
  2. Balkali
  3. Caldehyde
  4. Dsalt
Show answer & explanation

Answer: A) Esta

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