Which of the following molecules has a polar covalent bond? (2023)

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Question: Which of the following molecules has a polar covalent bond? (2023)

Options:

Correct Answer: H2O

Exam Year: 2023

Solution:

Water (H2O) has a polar covalent bond due to the difference in electronegativity between hydrogen and oxygen.

Which of the following molecules has a polar covalent bond? (2023)

Which of the following molecules has a polar covalent bond? (2023)

Step 1: Understand what a covalent bond is. A covalent bond is formed when two atoms share electrons.
Step 2: Learn about electronegativity. Electronegativity is a measure of how strongly an atom attracts electrons.
Step 3: Identify the atoms in the molecule. In water (H2O), there are two hydrogen (H) atoms and one oxygen (O) atom.
Step 4: Compare the electronegativity of hydrogen and oxygen. Oxygen has a higher electronegativity than hydrogen.
Step 5: Determine the type of bond. Because oxygen attracts the shared electrons more than hydrogen, the bond between them is polar.
Step 6: Conclude that water (H2O) has a polar covalent bond due to the difference in electronegativity between hydrogen and oxygen.

No concepts available.