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Chapter 24: Problem 22

Acetylene is an unstable compound. It has a tendency to form benzene as follows: \(3 \mathrm{C}_{2} \mathrm{H}_{2}(g) \longrightarrow \mathrm{C}_{6} \mathrm{H}_{6}(l)\)

Short Answer

Expert verified
The given chemical reaction \(3 \mathrm{C}_{2} \mathrm{H}_{2}(g) \rightarrow \mathrm{C}_{6}\mathrm{H}_{6}(l)\) is balanced, with three molecules of gaseous acetylene combining to form one molecule of liquid benzene.

Step by step solution

01

Understanding the Chemical Reaction

The given reaction is \(3 \mathrm{C}_{2} \mathrm{H}_{2}(g) \rightarrow \mathrm{C}_{6}\mathrm{H}_{6}(l)\). The reactant in this reaction is acetylene (\(C_{2}H_{2}\)) and the product is benzene (\(C_{6}H_{6}\)). The notations (g) and (l) represent the states of the elements, being gaseous and liquid respectively.
02

Balancing the Chemical Reaction

One fundamental principle of chemistry is the law of conservation of mass, which means number of atoms of each element must be the same on the reactant side as on the product side. To balance the given chemical reaction we can observe that we have 3 molecules of acetylene each containing 2 carbon and 2 hydrogens and this is giving us one benzene molecule containing 6 carbons and six hydrogens. This counts to a total of 6 carbon atoms and 6 hydrogen atoms on both sides of the reactants and the products. We can therefore conclude that the given chemical reaction is already balanced.

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Most popular questions from this chapter

2-Butanone can be reduced to 2 -butanol by reagents such as lithium aluminum hydride \(\left(\mathrm{LiAlH}_{4}\right)\). (a) Write the formula of the product. Is it chiral? (b) In reality, the product does not exhibit optical activity. Explain.

Sulfuric acid \(\left(\mathrm{H}_{2} \mathrm{SO}_{4}\right)\) adds to the double bond of alkenes as \(\mathrm{H}^{+}\) and \({ }^{-} \mathrm{OSO}_{3} \mathrm{H}\). Predict the products when sulfuric acid reacts with (a) ethylene and (b) propene.

Give the chemical names of the following organic compounds and write their formulas: marsh gas, grain alcohol, wood alcohol, rubbing alcohol, antifreeze, mothballs, chief ingredient of vinegar.

Draw all possible isomers for the molecule \(\mathrm{C}_{4} \mathrm{H}_{8}\).

How many distinct chloropentanes, \(\mathrm{C}_{5} \mathrm{H}_{11} \mathrm{Cl}\), could be produced in the direct chlorination of \(n\) -pentane, \(\mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{3} \mathrm{CH}_{3} ?\) Draw the structure of each molecule.
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