Exam 4 Multiple Choice Flashcards
Fats are solids at room temp because:
All of the above are correct
Which type of chemical process cannot convert and oil into a fat?
A cis-to-trans isomerization
Which one of these reactions associated withh fats and oils will have a negative entropy change, ΔS ?
(CH3)2C=C(CH3)COOH + H2 —> (CH3)2CH-CH(CH3)COOH
If a triglyceride is a liquid at room temp which one of these statements about the glyceride would be correct according to the passage?
The configuration of all C-C double bonds on the fatty acid chain are known
Which one of these long chain carboxylic acids could be a naturally occurring fatty acid?
CH3(CH2)6CH=CH(CH2)6COOH
Which one of these thermodynamic quantities can never be negative?
Keq
Which one of these species involved in a chemical reaction in the least stable?
Transition states
Free radicals ate highly reactive species because they:
Have an unpaired electron
How many monochlorinated products (neglecting stereoisomerism) ate formed in the free radical chlorination of pentene?
3
Which on of the following is not an electrophile?
H2C=CH2
Which of the following correctly describes the reaction whose reaction coordinate diagram is shown below?
Exergonic with a transition state
In the reaction below what are the correct products of the reaction?
H2C=CHCH3 + H3COH
Which of the following describes the reaction shown below?
ΔH° <0, ΔS°<0
Identify each step as initiation, propagation, or termination
Initiation=b
Propagation =a,f
Termination = c,d,e
Which of the following is the most stable radical?
C6H5CHCH2CH3
