Organic chemistry : Alenes and Alkynes quiz 5
written by gogorabei
|
June 9, 2023
Results
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#1.
(2) Alkenes and alkynes don't dissolve in water.Why?
a)because they are polar compounds not dissolve in water
a)because they are polar compounds not dissolve in water
b)because the are non-polar compounds insoluble in water
b)because the are non-polar compounds insoluble in water
c)because the are non-polar compounds insoluble in polar solvents
c)because the are non-polar compounds insoluble in polar solvents
d) A and C are correct
d) A and C are correct
#2.
(3) Alkenes are more active than alkanes why?
a)Because alkenes have pi bonds that easily to broken while alkanes have strong sigma bond
a)Because alkenes have pi bonds that easily to broken while alkanes have strong sigma bond
b)because alkenes have sigma bonds that easily to broken
b)because alkenes have sigma bonds that easily to broken
c)because alkenes have sigma bonds that easily to broken
c)because alkenes have sigma bonds that easily to broken
d) a and b are correct
d) a and b are correct
التالي
#3.
(4) In a limited amount of air, ethyne is burnt with a smoky flame. Why?
a) Because carbon not completely burn in a limited amount of oxyegn
a) Because carbon not completely burn in a limited amount of oxyegn
b)because carbon completely burn in a limited amount of oxyegn
b)because carbon completely burn in a limited amount of oxyegn
c)because hydrogen not completely burn in a limited amount of oxyegn
c)because hydrogen not completely burn in a limited amount of oxyegn
d)because hydrogen completely burn in a limited amount of oxyegn
d)because hydrogen completely burn in a limited amount of oxyegn
Finish
