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3 years ago

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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Explanation:

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What is the answer to...

adoni [48]

Answer: short answer short 0.65 / 5.37

15% NaOH by mass is 15g of NaOH in (100-15)g of solution.

No. Of moles of NaOH in solution = 0.65

No of moles of Water in solution = 4.72

Mole Fraction =

(

(Moles of Solvent)

(Moles Of Solute)+(Moles of Solvent)

)

(

(Moles of Solvent)

Total Number Of Moles

)

= 0.65 / 5.37

= 0.121

Explanation:

Hope this helped

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