Formic Acid Is a Weak Acid Naturally Occurring in Certain

question 54

Multiple Choice

Formic acid is a weak acid naturally occurring in certain species of ants. Calculate the acid ionization constant for formic acid if a 0.213 M solution is 2.86% ionized. The abbreviated structural formula for formic acid is HCOOH.

• A)7.2  10 ^{ 4}
• B)6.4  10 ^{ 4}
• C)1.8  10 ^{ 4}
• D)1.9  10 ^{ 5}
• E)3.5  10 ^{ 8}

Recognize the significance of planarity and electron count in determining a molecule's aromaticity.

Analyze the resonance and stability of aromatic compounds versus nonaromatic and antiaromatic compounds.

Identify and explain the molecular orbital configurations of cycloalkenes and aromatic compounds.

Describe the reactions and reactivity of aromatic compounds, focusing on substitution reactions and the role of the aromatic pi system.

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