Multiple Choice
Which of the following best describes the Lewis structure of (sodium hydroxide)?
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1. A Review of General Chemistry
Lewis Structure
Multiple Choice
Which of the following best describes the correct Lewis structure for (bromoethane)?
A
A two-carbon chain with each carbon bonded to three hydrogens and one bromine atom, with no bonds between the carbons.
B
A two-carbon chain with a double bond between the carbons, each carbon bonded to two hydrogens, and one carbon bonded to a bromine atom.
C
A two-carbon chain with each carbon single-bonded to each other, the first carbon bonded to three hydrogens, the second carbon bonded to two hydrogens and one bromine atom, with all atoms having complete octets (except hydrogen, which has two electrons).
D
A single carbon atom bonded to five hydrogens and one bromine atom.
Verified step by step guidance1
Identify the molecular formula and structure of bromoethane, which is C\_2H\_5Br, indicating two carbon atoms, five hydrogens, and one bromine atom.
Recall that in ethane derivatives, the two carbon atoms are connected by a single bond, not a double bond, because ethane (C\_2H\_6) has only single bonds between carbons.
Determine the bonding pattern: the first carbon is bonded to three hydrogens and the second carbon, while the second carbon is bonded to two hydrogens, the first carbon, and one bromine atom.
Ensure that each carbon atom follows the octet rule, meaning each carbon should have four bonds total (counting single bonds), and hydrogen atoms have only one bond (two electrons).
Confirm that bromine, being a halogen, forms one single bond and has three lone pairs to complete its octet, making the structure consistent with the correct Lewis structure of bromoethane.
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