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____ [38]
3 years ago
15

Which compound is an alkyne? (1) C2H2 (3) C4H8 (2) C2H4 (4) C4H10

Chemistry
2 answers:
Romashka [77]3 years ago
6 0

Answer: C_2H_2

Explanation:

Saturated hydrocarbons are defined as the hydrocarbons in which a single bond is present between carbon and carbon atoms. The general formula for these hydrocarbons is C_nH_{2n+2} and are called as alkanes.

Unsaturated hydrocarbons are defined as the hydrocarbons which have double or triple covalent C-C bonds. They are known as alkenes and alkynes respectively. The general formula for these hydrocarbons is C_nH_{2n} and C_nH_{2n-2} respectively.

C_4H_8 and C_2H_4 are alkenes.

C_4H_{10} is an alkane.

Thus C_2H_2 with general formula C_nH_{2n-2} is an alkyne.

olga2289 [7]3 years ago
5 0
The answer is C2H2 because an alkyne compound consists of a series of unsaturated hydrocarbons with a triple bond. 
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