Draw Lewis structures of these organic molecules: (a) methanol \(\left(\mathrm{CH}_{3} \mathrm{OH}\right) ;\) (b) ethanol \(\left(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\right)\); (c) tetraethyllead \(\left[\mathrm{Pb}\left(\mathrm{CH}_{2} \mathrm{CH}_{3}\right)_{4}\right]\), which was used in "leaded" gasoline; (d) methylamine \(\left(\mathrm{CH}_{3} \mathrm{NH}_{2}\right)\) (e) mustard gas \(\left(\mathrm{ClCH}_{2} \mathrm{CH}_{2} \mathrm{SCH}_{2} \mathrm{CH}_{2} \mathrm{Cl}\right)\), a poison- ous gas used in World War I; (f) urea \(\left[\left(\mathrm{NH}_{2}\right)_{2} \mathrm{CO}\right]\), a fertilizer; (g) glycine \(\left(\mathrm{NH}_{2} \mathrm{CH}_{2} \mathrm{COOH}\right)\), an amino acid.

Step by step solution

01

Drawing Methanol

Methanol \(\mathrm{CH}_3\mathrm{OH}\) consists of a Carbon atom (C) bonded to three Hydrogen atoms (H) and one Hydroxyl group (OH). Draw the C in the centre with an H or OH group at each of its four sides to represent the four single bonds.

02

Drawing Ethanol

Ethanol \(\mathrm{CH}_3\mathrm{CH}_2\mathrm{OH}\) includes two Carbon atoms bonded together. Beginning from the left, sketch the first Carbon bound to three Hydrogens. The next Carbon, on its right, bonds to two Hydrogens and an OH group.

03

Drawing Tetraethyllead

Tetraethyllead \(\mathrm{Pb}(\mathrm{CH}_2 \mathrm{CH}_3)_4\) has a central lead atom with 4 Ethyl groups (\( \mathrm{CH}_2 \mathrm{CH}_3 \)) bounded. Draw the Pb atom in the center, each of the 4 corners bonds with Ethyl groups.

04

Drawing Methylamine

Methylamine \(\mathrm{CH}_3\mathrm{NH}_2\) contains a central Carbon atom bound to three Hydrogens and one Amino group. Illustrate the C in the middle with three H's and the NH2 group around it.

05

Drawing Mustard Gas

\(\mathrm{ClCH}_2\mathrm{CH}_2\mathrm{SCH}_2\mathrm{CH}_2\mathrm{Cl}\) or mustard gas has two Carbon chains bonded by a Sulfur atom. Draw these in sequence, starting with a Chlorine atom, two carbon atoms, Sulfur atom, another 2 carbon atoms, and ending with a Chlorine.

06

Drawing Urea

The molecule for Urea or \(\left(\mathrm{NH}_2\right)_2\mathrm{CO}\) consists of a Carbon atom double bonded to Oxygen and single bonded to two Amino groups. Illustrate the Carbon atom in the middle, double bond it to an Oxygen atom, and single bond it to two NH2 groups.

07

Drawing Glycine

Last, Glycine or \(\mathrm{NH}_2\mathrm{CH}_2\mathrm{COOH}\) consists of an Amino group, a Carbon chain, and a Carboxyl group. Draw these sequentially, starting with the NH2, then the \(CH_2\), and ending with the COOH group.

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