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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. Which of the following bases is the weakest base?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(s) of the following reaction:
t-butyl acetylide and t-butyl bromidehardhardhard

2-methylpropene
di t-butylacetylene
t-butylacetylene
Both the first and third choice (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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