Free & Premium Study Material · Online Courses · Instant Download+91 99398 78821 · support@downloadstore.in
downloadstoreSTUDY MATERIAL
LoginRegister🛒0

Organic Chemistry

243 MCQ questions with answers and explanations · page 8 of 10

Test yourself▶ 25 question test▶ 50 question test

Q176. In what form is oxalic acid present in plant cells?

  1. Asodium oxalate
  2. Bcalcium oxalate
  3. Czinc oxalate
  4. Dpotassium oxalate
Show answer & explanation

Answer: B) calcium oxalate

Q177. In what form is iodoform used?

  1. Aantipyretic
  2. Banalgesic
  3. Cantiseptic
  4. Danesthetic
Show answer & explanation

Answer: C) antiseptic

Q178. Which of the following organic compounds was first prepared in the laboratory?

  1. Amethane
  2. BEthylene
  3. CEthane
  4. DUrea
Show answer & explanation

Answer: D) Urea

Q179. The chemical formula of urea is ____

  1. ANH⁴CI
  2. BNH²CONH⁴
  3. CNH² CONH²
  4. DNH³
Show answer & explanation

Answer: C) NH² CONH²

Q180. Which of the following is known as 'Caramide'?

  1. Acarbonates
  2. BProtein
  3. CUrea
  4. DGlycerin
Show answer & explanation

Answer: C) Urea

Q181. Which of the following fertilizers has the highest nitrogen content?

  1. AUrea
  2. Bammonium nitrate
  3. Cpotassium nitrate
  4. Dammonium phosphate
Show answer & explanation

Answer: A) Urea

Q182. In what form is nitrogen present in urea fertilizer?

  1. Anitrate
  2. BNitrite
  3. CAmmonium
  4. Damide
Show answer & explanation

Answer: D) amide

Q183. The percentage of nitrogen in urea is ____

  1. A0.26
  2. B0.36
  3. C0.46
  4. D0.6
Show answer & explanation

Answer: C) 0.46

Q184. Who first synthesized urea in the laboratory?

  1. AWilliamson
  2. BKolve
  3. CWöhler
  4. DViolet
Show answer & explanation

Answer: C) Wöhler

Q185. The elements present in urea are_

  1. AC,H,O
  2. BC,N,O
  3. CC,H,N
  4. DC, H, N, 0
Show answer & explanation

Answer: D) C, H, N, 0

Q186. Who is called the father of aromatic compounds?

  1. Amethane
  2. Bbenzene
  3. CPhenol
  4. DAniline
Show answer & explanation

Answer: B) benzene

Q187. Who among the following discovered 'Benzene'?

  1. AJohn Dunlop
  2. BNewton
  3. CPriestley
  4. DMichael Faraday
Show answer & explanation

Answer: D) Michael Faraday

Q188. The number of sigma and pi bonds in benzene is ____

  1. A3,3
  2. B3,6
  3. C12.3
  4. D126 e. None of the above / More than one of the above
Show answer & explanation

Answer: C) 12.3

Q189. What is the chemical name of 'Gamexene'?

  1. AToluene
  2. Bchlorobenzene
  3. CAniline
  4. Dbenzene hexachloride
Show answer & explanation

Answer: D) benzene hexachloride

Q190. Gammexene is a_

  1. Adisinfectant
  2. Bfungicides
  3. Cinsecticide
  4. Dpesticide
Show answer & explanation

Answer: A) disinfectant

Q191. Who invented dynamite?

  1. AJ. B. Dunlop
  2. BAlfred Nobel
  3. CJames Simmons
  4. DPeter Har Grebbe
Show answer & explanation

Answer: B) Alfred Nobel

Q192. Trinitrobenzene (TNB) is a_

  1. Adisinfectant
  2. Bherbicide
  3. Cbactericidal
  4. Dexplosives
Show answer & explanation

Answer: D) explosives

Q193. Trinitrotoluene (TNT) is a—

  1. Adisinfectant
  2. Bherbicide
  3. Cbactericidal
  4. Dexplosives
Show answer & explanation

Answer: D) explosives

Q194. Known as 'Oil of Mirbane'_

  1. Anitrobenzene
  2. BAniline
  3. CPhenol
  4. Dtoluene
Show answer & explanation

Answer: A) nitrobenzene

Q195. Which one of the following is an insecticide?

  1. ADDT
  2. BTNT
  3. CHCL
  4. DVCR
Show answer & explanation

Answer: A) DDT

Q196. The full form of DDT is ______.

  1. ADichloro Diphenyl Trichloro Methane
  2. BDichloro diphenyl trichloro ethane
  3. CDichloroisothiazolinone Trichloroethane
  4. Ddichloro diethyl trichloro methane
Show answer & explanation

Answer: B) Dichloro diphenyl trichloro ethane

Q197. The chemical name of tear gas is ____

  1. AAcetophenone
  2. BBenzophenone
  3. Ca-bromo acetophenone
  4. Da-chloroacetophenone
Show answer & explanation

Answer: D) a-chloroacetophenone

Q198. It is used to make medicine

  1. ABenzoic acid
  2. Bpicric acid
  3. Coxalic acid
  4. DCitric acid
Show answer & explanation

Answer: A) Benzoic acid

Q199. The compound added in small quantities to tomato chutney to keep it fresh for a longer period is ___

  1. ASodium Tartrate
  2. Bsodium chloride
  3. Csodium bicarbonate
  4. Dsodium benzoate
Show answer & explanation

Answer: D) sodium benzoate

Q200. Which of the following is used to preserve fruit juice?

  1. Aacetic acid
  2. BFormic acid
  3. Csulfuric acid
  4. Dsodium benzoate
Show answer & explanation

Answer: D) sodium benzoate

1…678910
← Non-Metals and Their CompoundsOxidation and Reduction →
💬