When the Amine RNH₂ (Where R Is a 12-Carbon Alkyl

question 56

Multiple Choice

When the amine RNH₂ (where R is a 12-carbon alkyl chain) is neutralized with aqueous HCl,the compound RNH₃⁺Cl^- forms.Briefly predict,with reasons,the solubilities of RNH₂ and RNH₃⁺Cl^- in water.

• A)Both are insoluble due to the hydrophobic long carbon chain.
• B)Both are soluble because both contain polar N-H bonds.
• C)RNH₂ is insoluble due to the long hydrophobic carbon chain,but RNH₃⁺Cl^- is soluble due to the ionic part of the compound.
• D)RNH₂ is soluble due to the polarity of the N-H bond.The salt is insoluble because most chloride salts are insoluble in water.
• E)None of the choices are correct.

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