Organic Chemistry II: Solubility of Organic Molecules
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Questions and Answers

What is the indication of litmus turning red in a chemical compound?

The compound is a water-soluble acidic compound (class Sa).

What is the significance of a compound being soluble in 5% NaOH?

The compound proceeds to the next step in the procedure.

What is the classification of a compound that is soluble in 5% NaHCO3?

It is a strong organic acid (class As).

What is the classification of a compound that is not soluble in 5% HCl and contains nitrogen or sulfur?

<p>It is a miscellaneous neutral compound (class Nm).</p> Signup and view all the answers

What is the purpose of the 96% H2SO4 solubility test?

<p>It is used as a further test to classify compounds that are not soluble in HCl.</p> Signup and view all the answers

What is indicated by a compound being water soluble and turning red with litmus?

<p>A water soluble acidic compound</p> Signup and view all the answers

What is the next step in the procedure if a compound is not soluble in 5% NaOH?

<p>Proceed to step 5, 5% HCl solubility test</p> Signup and view all the answers

What is the classification of a compound that is soluble in both 5% NaOH and 5% NaHCO3?

<p>A strong organic acid (class As)</p> Signup and view all the answers

What is the purpose of adding the solvents in small portions in the solubility tests?

<p>To shake the test tube vigorously after each addition</p> Signup and view all the answers

What is the classification of a compound that is not soluble in 5% NaOH and is soluble in 5% HCl?

<p>An organic base (class B)</p> Signup and view all the answers

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