Organic Chemistry: MCQ Test
25 questions · pick one option for each · submit when you finish to see your score and the correct answers.
Question 1 of 25
Which of the following is not a natural polymer?
- AWool
- Bsilk
- Cleather
- DNylon
Question 2 of 25
The plastic obtained by polymerization of ethylene is ____
- ATeflon
- BBakelite
- CNylon
- Dpoly ethylene
Question 3 of 25
Pyroligneous acid obtained from wood contains ____
- A10% ethanol
- B10% formaldehyde
- C10% acetic acid
- D10% formic acid
Question 4 of 25
Which statement is not correct regarding 'homogeneous series'?
- AAll members of a homologous series can be expressed by a single general formula
- BAny member of a homologous series shows a difference of —CH² from the molecular formula of the next and previous member.
- CAll members of a homologous series show similar chemical properties.
- DThere is no gradual change in the physical properties of the members of a homologous series
Question 5 of 25
What is the chemical name of 'Gamexene'?
- AToluene
- Bchlorobenzene
- CAniline
- Dbenzene hexachloride
Question 6 of 25
The reactive radical present in carboxylic acid is-
- A—CHO
- B—COOH
- CC=O
- D—COOR
Question 7 of 25
Paraffin is a by-product of what?
- Apetroleum refining
- Bprocessing of agricultural waste
- CCottage industries engaged in beekeeping
- Dleather industry
Question 8 of 25
Which of the following is not a natural polymer?
- AWool
- Bleather
- CNylon
- Dsilk
Question 9 of 25
What is the end product of alcoholic fermentation?
- Apyruvic acid
- Bacetaldehyde
- Cethyl alcohol
- DFormic acid
Question 10 of 25
The IUPAC name of 'Chloral' is_
- AEthanol
- Bmonochloro ethanol
- CDichloro ethanol
- Dtrichloroethanol
Question 11 of 25
The name of C²H⁵OH according to IUPAC system is
- AEthanal
- BEthanol
- CPropanone
- DEthyne
Question 12 of 25
How many covalent bonds are there in the chloropropane molecule whose molecular formula is CH-CIT?
- A6
- B8
- C9
- D10
Question 13 of 25
Methane is a colorless, odorless, non-toxic, but flammable gas. What is its common name?
- Ablue vitriol
- Blaughing gas
- CHeating gas
- DMarsh gas
Question 14 of 25
Organic compounds having the same molecular formula but different structural formulas are called ____.
- Aisotopes
- Bisobar
- Cisomer
- Dallotrope
Question 15 of 25
What is another name for carbon tetrachloride?
- AMarsh gas
- Bmustard gas
- CPyrenees
- DPyrol
Question 16 of 25
The chemical formula of urea is ____
- ANH⁴CI
- BNH²CONH⁴
- CNH² CONH²
- DNH³
Question 17 of 25
How many oxygen atoms are there in one molecule of acetic acid?
- A2
- B1
- C3
- D4
Question 18 of 25
Orion is a polymer made from what?
- AAcrylonitrile
- BNeoprene
- Cvinyl chloride
- Dtetrafluoroethylene
Question 19 of 25
The elements present in urea are_
- AC,H,O
- BC,N,O
- CC,H,N
- DC, H, N, 0
Question 20 of 25
It is used to extinguish electrical fires.
- Apyrene fire extinguisher
- Bfoam fire extinguisher
- CWater fire extinguisher
- Dsoda acid fire extinguisher
Question 21 of 25
In organic compounds, all the four valencies of the carbon atom are directed towards the four edges of a rhombohedron and carbon is at the centre – who first gave this idea?
- AJ. J. Thomson
- BAlbert Einstein
- CMichael Faraday
- DLeibel and Van't Hoff
Question 22 of 25
Which gas is mainly present in the mixture of gases coming out of a septic tank?
- Amethane
- Bammonia
- Chydrogen
- Dnitrogen
Question 23 of 25
The full form of DDT is ______.
- ADichloro Diphenyl Trichloro Methane
- BDichloro diphenyl trichloro ethane
- CDichloroisothiazolinone Trichloroethane
- Ddichloro diethyl trichloro methane
Question 24 of 25
Where is chlorofluorocarbon mostly used?
- Ain myco ovens
- Bin solar heaters
- Cin washing machines
- Din refrigerators
Question 25 of 25
It is used to remove rust stains from clothes.
- Akerosene oil
- BLime
- Cpetrol
- Doxalic acid