Câu 5 trang 33 SGK Hóa 12 Nâng cao
Viết phương trình của phản ứng sau (nếu có): ...
Viết phương trình của phản ứng sau (nếu có):
Viết phương trình của phản ứng sau (nếu có):
a, Glucozơ tác dụng với nước brom
b,
Fructozơ (+{H_2}uildrel {Ni,t^circ } over
longrightarrow )
c,
Fructozơ +(left[ {Ag{{left( {N{H_3}}
ight)}_2}}
ight]OH)(uildrel {} over
longrightarrow )
d,
Glucozơ +(left[ {Ag{{left( {N{H_3}}
ight)}_2}}
ight]OH)(uildrel {} over
longrightarrow )
Giải
a)
(C{H_2}OH{left( {CHOH} ight)_4}CHO + B{r_2} + {H_2}O o C{H_2}OH{left( {CHOH} ight)_4}COOH + 2HBr)
b,
(eqalign{
& C{H_2}OH - {left( {CHOH}
ight)_3} - C - C{H_2}OH + {H_2}uildrel {Ni,t^circ } over
longrightarrow C{H_2}OH - {left( {CHOH}
ight)_4} - C{H_2}OH cr
& ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;left| {}
ight. cr
& ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;O cr} )
c,
(eqalign{
& C{H_2}OH - {left( {CHOH}
ight)_3} - C - C{H_2}OH mathbin{lower.3exhbox{$uildrel extstyle
ightarrowover
{smash{leftarrow}vphantom{_{vbox to.5ex{vss}}}}$}} C{H_2}OH - {left( {CHOH}
ight)_4} - CHO cr
& ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;;;;;;;left| {}
ight. cr
& ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;;;;;;O cr} )
(eqalign{
& C{H_2}OH - {left( {CHOH}
ight)_4} - CHO + 2left[ {Ag{{left( {N{H_3}}
ight)}_2}}
ight]OHuildrel {t^circ } over
longrightarrow C{H_2}OH{left( {CHOH}
ight)_4}COON{H_4} + 2Ag downarrow + 3N{H_3} + {H_2}O. cr
& cr} )
d,
(eqalign{
& C{H_2}OH - {left( {CHOH}
ight)_4} - CHO + 2left[ {Ag{{left( {N{H_3}}
ight)}_2}}
ight]OHuildrel {t^circ } over
longrightarrow C{H_2}OH{left( {CHOH}
ight)_4}COON{H_4} + 2Ag downarrow + 3N{H_3} + {H_2}O. cr
& cr} )
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