What Do You Know About Ethyne?
10 Questions
| Total Attempts: 147
Ethyne or acetylene is the simplest alkyne; a colorless hydrocarbon gas widely used as a fuel and with C2H2 as its formula. Take this quiz to find out more.
Questions and Answers
- 1.
The molar mass of ethyne is...- A.
26.04g/mol
- B.
25.05g/mol
- C.
20.00g/mol
- D.
23.08g/mol
- 2.
It was discovered in...
- A.
1835
- B.
1836
- C.
1837
- D.
1838
- 3.
It was rediscovered by French chemist Marcellin Berthelot, who coined the name acétylène, in which year?
- A.
1860
- B.
1861
- C.
1862
- D.
1863
- 4.
Its vapor pressure is...
- A.
44.2 atm
- B.
44.5 atm
- C.
42.4 atm
- D.
24.4 atm
- 5.
What is its density?
- A.
1.097 kg/m3
- B.
1.098kg/m3
- C.
1.088kg/m3
- D.
1.087kg/m3
- 6.
What happens to its smell when pure?
- A.
It has a sweet smelling
- B.
It has a choking smelling
- C.
It has an irritating smelling
- D.
It is odorless
- 7.
It is explosive if mixed with...
- A.
Water
- B.
Air
- C.
H2
- D.
Steamed water
- 8.
Acetylene cannot exist as a...
- A.
Solid
- B.
Liquid
- C.
Gas
- D.
Aqueous
- 9.
Acetylene is a chemical compound composed of....
- A.
Two carbon and two hydrogen atoms
- B.
Two carbon and one hydrogen atoms
- C.
One carbon and two hydrogen atoms
- D.
Two carbon and there hydrogen atoms
- 10.
It was prepared by the hydrolysis of calcium carbide, a reaction discovered by Friedrich Wöhler in...
- A.
1861
- B.
1862
- C.
1863
- D.
1864
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