Organic chemistry : Alenes and Alkynes quiz 5

written by gogorabei | June 9, 2023

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#1. (16) The unsaturated alcohol which is produced as an intermediate compound on adding water to ethyne in the presence of a catalyst.

a)methyl alcohol

a)methyl alcohol

b)ethyl alcohol

b)ethyl alcohol

c)Vinyl Alcohol

c)Vinyl Alcohol

d) a and b are correct

d) a and b are correct

#2. (17) A stable compound produced from the catalytic hydration of ethyne

a)Acetaldhyde

a)Acetaldhyde

b)Ethanal

b)Ethanal

c)Ethane

c)Ethane

d) A and B are correct answers

d) A and B are correct answers

#3. Give scientific explanation:(1) Alkanes are saturated compounds, whereas alkenes are unsaturated compounds.

a)because alkanes have one sigma bonds while alkenes have double bonds(sigma and pi)

a)because alkanes have one sigma bonds while alkenes have double bonds(sigma and pi)

b)because alkanes have 2 sigma bonds while alkenes have double bonds(sigma and pi)

b)because alkanes have 2 sigma bonds while alkenes have double bonds(sigma and pi)

c)because alkanes have one sigma bonds while alkenes have one bonds(sigma and pi)

c)because alkanes have one sigma bonds while alkenes have one bonds(sigma and pi)

d)because alkanes have no sigma bonds while alkenes have double bonds(sigma and pi)

d)because alkanes have no sigma bonds while alkenes have double bonds(sigma and pi)