June 2016 Chemistry Regents #75-77

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Questions 1-5 Questions 6-10 Questions 11-15 Questions 16-20 Questions 21-25 Questions 26-30 Questions 31-35 Questions 36-40 Questions 41-45 Questions 46-50

Question 51 Questions 52-53 Questions 54-55 Questions 56-58 Questions 59-60 Questions 61-62 Questions 63-65 Questions 66-69  Questions 70-71  Questions 72-74  Questions 75-77  Questions 78-81  Questions 82-85

 

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Question 75-77

 

 

Base your answers to questions 75 through 77 on the information below and on your knowledge of chemistry.

The unique odors and flavors of many fruits are primarily due to small quantities of a certain class of organic compounds. The equation below represents the production of one of these compounds.

75  Show a numerical setup for calculating the gram-formula mass for reactant I, [l]

Answer-->  6(1)+2(12)+16

76  Explain, in terms of molecular polarity, why reactant 2 is soluble in water. [I]

Answer--> reactant 2 is polar and so is water

77  State the class of organic compounds to which product 1 belongs. [1]

Answer--> alcohols

on to Questions 78-81

 

Questions 1-5 Questions 6-10 Questions 11-15 Questions 16-20 Questions 21-25 Questions 26-30 Questions 31-35 Questions 36-40 Questions 41-45 Questions 46-50

Question 51 Questions 52-53 Questions 54-55 Questions 56-58 Questions 59-60 Questions 61-62 Questions 63-65 Questions 66-69  Questions 70-71  Questions 72-74  Questions 75-77  Questions 78-81  Questions 82-85
 

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