1) The -=C-H unit of an alkyne is more acidic than a C – H unit of an alkene or alkane, allowingacetylene and terminal alkynes to be converted to their conjugate bases -= C. 2) Unlike alkenes, alkynes are reduced by metals, especially Li, Na and K. 3) Unlike alkenes, alkynes can undergo nucleophilic as well as electrophilic addition. Which of the following best describes what happens in the first step in the mechanism of the hydrogen- deuterium exchange reaction shown? CH_3 -= CD underset(NH_3)overset(NaNH_2)to CH_3C -= CH

1) The -=C-H unit of an alkyne is more acidic than a C – H unit of a

1.	1) The -=C-H unit of an alkyne is more acidic than a C – H unit of an alkene or alkane, allowingacetylene and terminal alkynes to be converted to their conjugate bases -= C. 2) Unlike alkenes, alkynes are reduced by metals, especially Li, Na and K. 3) Unlike alkenes, alkynes can undergo nucleophilic as well as electrophilic addition. Which of the following best describes what happens in the first step in the mechanism of the hydrogen- deuterium exchange reaction shown? CH_3 -= CD underset(NH_3)overset(NaNH_2)to CH_3C -= CH
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