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Chapter 25: Problem 77

Draw the condensed structural formulas for two different molecules with the formula \(\mathrm{C}_{3} \mathrm{H}_{4} \mathrm{O}\).

Short Answer

Expert verified
Two condensed structural formulas for the molecular formula \(\mathrm{C}_{3} \mathrm{H}_{4} \mathrm{O}\) are: 1. H-C鈮-CH鈧侽H 2. \(\begin{array}{c} \ce{H2C-CH2} \\ || \\ \ce{O} \end{array}\)

Step by step solution

01

Identify the index of hydrogen deficiency (IHD)

To determine the IHD, we'll use the formula: IHD = (2*number of carbons + 2 - number of hydrogens) / 2. In this case, we have: IHD = (2 * 3 + 2 - 4) / 2 = (6 + 2 - 4) / 2 = 4 / 2 = 2 An IHD of 2 means that there are two double bonds or one ring and one double bond or one triple bond in the molecule.
02

Draw the first condensed structural formula

One possible arrangement would be a molecule with one triple bond between two carbons and the third carbon bonded to an oxygen atom. The first condensed structural formula is: H-C鈮-CH鈧侽H This structure satisfies the octet rule for all atoms and corresponds to the molecular formula \(\mathrm{C}_{3} \mathrm{H}_{4} \mathrm{O}\).
03

Draw the second condensed structural formula

Another possible arrangement would be a molecule with a ring structure containing one double bond, and an oxygen atom forming the ring. The second condensed structural formula is: \(\begin{array}{c} \ce{H2C-CH2} \\ || \\ \ce{O} \end{array}\) This structure also satisfies the octet rule for all atoms and corresponds to the molecular formula \(\mathrm{C}_{3} \mathrm{H}_{4} \mathrm{O}\).

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Most popular questions from this chapter

Draw the condensed structure of the compounds formed by condensation reactions between (a) benzoic acid and ethanol, (b) ethanoic acid and methylamine, (c) acetic acid and phenol. Name the compound in each case.

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Although carboxylic acids and alcohols both contain an - OH group, one is acidic in water and the other is not. Explain the difference.

Give the structural formula for (a) an aldehyde that is an isomer of acetone, (b) an ether that is an isomer of \(1-\) propanol.
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