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alkynes test > practice tests > home      
 


Alkynes Test
Note that you must have a Javascript capable browser to take quiz
Hints cost 5 points each

Difficulty Rating: 
easy= easy 
mediummedium= medium 
hardhardhard = hard              
extremely hardextremely hardextremely hardextremely hard= extremely hard
1. What is the structure of ethynylcyclohexane?easy

a

b

c

None of the Above
2.  What is the common name of ethyne?easy

Acetone
Acetylene
Angstrom
Agriculture


3. Of the following bases, which is the weakest?mediummedium

acetylide anion
methyl anion
amide anion



4. What is the product of the following reaction:mediummedium
Decyne Ozonolosis

decane

dialdehyde

diacid

None of the above
5. What is the product of the following reaction:
Lindlars and D2mediummedium

trans
cis
4 substituted
None of the Above


6. Which of the following bases are strong enough to 
deprotonate acetylene? mediummedium



Concentrated H2SO4
NaNH2
CH3-CH2:- Li+
Both B and C

7. Which of the following reagents will best convert 
methyl acetylene to acetone?hardhardhard
H2SO4, H20, HgSO4
1. BH3, THF
     2.  HOOH
H2, Lindlar
1. HCl
     2. NaNH2, NH3
8. What is the major product of the following reaction:
t-butyl acetylide and t-butyl bromidehardhardhard
2-methylpropene

di t-butylacetylene

t-butylacetylene

Both A and C
No Reaction




9.  What is the major product of the following reaction:hardhardhard





None of these

10. What is the major product of the following reaction:
Hydrogen and Rhodiumextremely hardextremely hardextremely hardextremely hard
a

b

c

None of the Above



**Note: Grader will only explain incorrect answers**

Grading Scale
A 80-100 Outstanding!
B 70-79 Very Good
C 60-69 Average
D 50-59 Below Average
F Below 50 Failing

 
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