Răspuns :
1.
A.
CH≡CH + H2O --Hg²⁺/H⁺--> [CH2=CH2] <==---> CH3CH=O
OH
enol instabil acetaldehida
B.
CH3-C≡CH + H2O --Hg²⁺/H⁺--> [CH3-CH=CH2] <==---> CH3-C-CH3
l ll
OH O
enol instabil propanona
2.
A.
CH3-CH-CH3 --NaOH/EtOH--> CH3-CH=CH2 + HBr
Br
propena acid bromhidric
B.
CH3-CH2-OH --toC/H2SO4--> CH2=CH2 + H2O
etena apa
C.
CH3COOH + OH-CH-CH3 <==> CH3COOCH2CH3 + H2O
acetat de etil apa