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
The IUPAC name of acetylene is ____.
- Aethene
- BEthyne
- CPropine
- Dbutyne-2
Question 2 of 25
The reactive radical present in carboxylic acid is-
- A—CHO
- B—COOH
- CC=O
- D—COOR
Question 3 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 4 of 25
The correct statement about 'methane' is_
- AIt originates from the bacterial decomposition of plant and animal matter buried in marshy areas.
- BIt is the first member of the saturated hydrocarbon series.
- CIt is also called marsh gas.
- DAll of the above
Question 5 of 25
Which of the following is an organic compound?
- AWater
- Bsodium chloride
- Cchloroform
- Dammonium chloride
Question 6 of 25
The bond angle between carbon and hydrogen in the methane molecule is ____
- A105°
- B120°
- C180°
- D109° 28'
Question 7 of 25
The change of a solid substance directly into vapor state without changing into liquid is called_
- Adistillation
- Bboiling
- Csublimation
- Dcompaction
Question 8 of 25
What is the chemical formula of propane?
- AC²H⁶
- BCH⁴
- CC⁴H¹⁰
- DC³H⁸
Question 9 of 25
Polymerization of which of the following forms PVC?
- AProtein
- Bvinyl chloride
- Cstyrene
- DAcetylene
Question 10 of 25
Which of the following is the main component of LPG?
- Amethane
- BAthene
- CPropane
- Dbutane
Question 11 of 25
The main source of naphthalene is—
- Abitumen
- Bdiesel
- CCharcoal
- DCamphor
Question 12 of 25
By which method is camphor purified?
- Asublimation
- Bdistillation
- Cchromatography
- Dvacuum distillation
Question 13 of 25
Which of the following is known as 'Caramide'?
- Acarbonates
- BProtein
- CUrea
- DGlycerin
Question 14 of 25
The gas which is emitted from paddy fields and increases the temperature of the land is ____
- Anitrogen
- Bcarbon dioxide
- Ccarbon monoxide
- Dmethane
Question 15 of 25
Alcoholic beverages contain ____
- Abutyl alcohol
- Bmethyl alcohol
- Cethyl alcohol
- Dpropyl alcohol
Question 16 of 25
Which one of the following fuels is used in gas welding?
- ALPG
- BEthylene
- Cmethane
- DAcetylene
Question 17 of 25
Which of the following two organic compounds have the same empirical formula?
- Aethylene and acetylene
- Bmethane and ethane
- Cpropane and butane
- Dacetylene and benzene
Question 18 of 25
The famous refrigerant 'Freon' is actually—
- Acalcium fluoride
- BFluorspar
- CHydrofoliacic acid
- Ddichlorodiphloge methane
Question 19 of 25
It is obtained by destructive distillation of wood_
- Aacetic acid
- Bsulfuric acid
- CPyroligneous acid
- DFormic acid
Question 20 of 25
Which of the following is known as 'Marsh Gas'?
- AEthene
- Bchlorine
- CAthene
- Dmethane
Question 21 of 25
'Artificial silk' is also known as ______.
- ARayon
- BDeacon
- Cfibre glass
- DNylon
Question 22 of 25
The compound used as an analgesic in medicine is ____
- AUrotropin
- Bchloroform
- Caspirin
- Dethyl alcohol
Question 23 of 25
In what form is oxalic acid present in plant cells?
- Asodium oxalate
- Bcalcium oxalate
- Czinc oxalate
- Dpotassium oxalate
Question 24 of 25
The first artificial fibre made by man was-
- ARayon
- BNylon
- Cpolyester
- DTerrycot
Question 25 of 25
Alcohol is formed as a result of which reaction?
- AFermentation
- Bcatalysis
- CCombination
- Ddisplacement