Question Completion Status: Question1 Benzocain (also called 4-amino benzoate) i

Question

Question Completion Status: Question1 Benzocain (also called 4-amino benzoate) is a base. Which best describes its solubility? Benzocain should dissolve in acid because it is a base Benzocain should dissolve in base because it is a base O benzocain should dissolve in water because it is a base benzocain should dissolve in other because it is a base Question 2 Read "Solutions-how they form from Dr Walt Vollhort's web site. Which statement below is true? O A solution results from a chemical reactin between solvent and solute O A solvent is present in greater amounts than a solute O A solute must be non-polar to dissolve in water O All liquids are miscible in water Question 3 Which term describes two liquid substances dissolving in one another? Read "Solutions-how they form from O solute o solvent O solution O misible Save and Submit Click Save and Submit to save and submit Ctick Save all Answers to save all answers.

Explanation / Answer

ques1 answer. references for answering this found from pubchem-

exact solubility in water- 1310 mg/L (at 30 °C) and in other solvent- One gram dissolves in about 5 ml alcohol, 2 ml chloroform, in about 4 ml ether, and in 30 to 50 ml of expressed almond oil or olive oil. Also sol in dil acids.

But as per option - it should dissolve in acid because it is a base will be correct option. the reson behind this is, benzocaine have 1 hydrogen bond donar and 3 hydrogen bond acceptor, so solubility in water and ether was found because of these reason not only due to its basic character. therefore, option will be the right answer that it should dissolve in acid because it is a base.

ques 2. answer- here answer must be second option because solvent amount decide weather the solution is dilute or concentrated depending upon the solute amount. but solute can never be more then solvent amount.

option 1 is not correct because solute can interact with solvent but reaction is not necessary condition. option 3 is also not correct because water is a polar solvent so it shows tendancy to dissolve polar solute molecules more than non-polar. option 4 is not correct because all liquid can not be miscible in water like oil in water.

ques 3 answer-miscible will be the correct option- When a liquid can completely dissolve in another liquid the two liquids are miscible. Miscibilty is the property of substances to mix in all proportions (that is, to fully dissolve in each other at any concentration), forming a homogeneous solution. The term is most often applied to liquids, but applies also to solids and gases. Water and ethanol, for example, are miscible because they mix in all proportions.

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