Most Simple Ionic Compounds That Are Soluble in Water Are

question 21

Multiple Choice

Most simple ionic compounds that are soluble in water are not soluble in organic solvents. However, replacing a common cation such as Na⁺ with an alkyl ammonium ion with four alkyl groups greatly enhances solubility of the ionic compound in many organic solvents. Which formula represents the tetrabutylammonium ion that is found in tetrabutylammonium bromide?

• A) [(CH₃)₄N]⁺
• B) [(CH₃CH₂)₄N]⁺
• C) [(CH₃(CH₂)₂)₄N]⁺
• D) [(CH₃(CH₂)₃)₄N]⁺
• E) [C(CH₃)₃NH₂]⁺

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A tube used for delivering nutrients directly to the stomach or small intestine, bypassing oral intake.

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A medical procedure where a tube is placed through the abdomen into the stomach to provide nutrition directly.

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A medical device used to provide nutrition to patients who cannot obtain nutrition by mouth, inserted through the nose and into the stomach.