June 2012 Chemistry Regents #79-81

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Questions 1-10 Questions 11-20 Questions 21-30 Questions 31-40 Questions 41-50

Question 51 Questions 52-55 Questions 56-59 Questions 60-62 Questions 63-65 Questions 66-68 Questions 69-71 Questions 72-75  Questions 76-78  Questions 79-81  Questions 82-85

 

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Base your answers to questions 79 through 81  on the information below.

 

One type of soap is produced when ethyl stearate and sodium hydroxide react. The soap produced by this reaction is called sodium stearate. The other product or the reaction is ethanol. This reaction is represented by the balanced equation below.

79 Identify the type of organic reaction used to make soap. [1]

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saponification

80 To which class of organic compounds does ethyl stearate belong? [1]

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ester

81 Identify the two two of bonds in the compound sodium stearate. [1]

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covalent and ionic    or

polar and nonpolar    or

single and double

on to Questions 82-85

 

 

 

Questions 1-10 Questions 11-20 Questions 21-30 Questions 31-40 Questions 41-50

Question 51 Questions 52-55 Questions 56-59 Questions 60-62 Questions 63-65 Questions 66-68 Questions 69-71 Questions 72-75  Questions 76-78  Questions 79-81  Questions 82-85

 
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