| X E M L Ạ I C H Ủ Đ Ề |
| nj friend |
satIIdisunfua(FeS2)+axit sunfuric d,n(H2SO4 d,n)
sat sunfua(FeS)+H2SO4(d,n)
Cu2S+HNO3
ra san pham gi ?
neu cach can bang cu the tung bai?
co the gui email cho minh : nam10_2_1985@hcm.vnn.vn
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| rey_sailor |
chao!
cho minh tham gia voi.minh k biet cau tra loi cho ban nhung ban co the giai dap cho minh k?
axit fomic + h2->
pu trem co k vay.neu co no ra chat gi?
rat vui duoc lam quen voi ban!
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| datacnhang |
minh nghi la ax focmic ko tac dung voi h2
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| rey_sailor |
tai sao k!
minh nghi axit fomic cung co chuc andehit thi cung co the tac dung duoc voi h2 vay.
hay giai thich cho minh nhe!
than!
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| datacnhang1 |
ax focmic la mot ax no:HCOOH
No ko phai la ax ko no nen no ko the cong H2
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| rey_sailor |
chao!
the tai sao HCHO lai co the tac dung voi h2?
chang phai vi no co nhom andehit u?
tra loi giup minh voi.
cam on!
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| datacnhang1 |
HCHO la 1 Andehit
No co nhom CHO nen co the cong H2
Con HCOOH la 1 ax , ax ko cong H2
DE NGHI BAN XEM LAI KI PHAN ANDEHIT VA AX HUU CO
Chuc vui ve
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| datacnhang1 |
BAI HOA CUA BAN NJ_FRIEND RAT KHO VIET TREN DIEN DAN
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| ami1986 |
axit fomic co the cong h2 duoc khi co xuc tac kim loai Ni , Pt , ... , luc do tao thanh ancol bac mot HCHO + H2 ->CH3OH |
| hakashe_ashuka |
hey, chao moi nguoi!
tui cung muon tham gia tra loi.
bai of ban nj friend tui biet day. tui se mail cho ban sau nhe! ok?
nhung tui e la bi gio ban da co cau tra loi rui nhi?
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| datacnhang1 |
Minh ko dong quan diem voi ban AMI1986
Co the minh sai nhung do la y kien cua minh
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| linh3010 |
FeS2+H2SO4(d,n) -> Fe2(SO4)3 + SO2 +H20(can bang oxi hoa khu)
Cho tui tham gia voi
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| hakashe_ashuka |
fes2+h2so4(d,n) ko ra san pham nhu vay dau
ba linh3310 nham rui
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| hakashe_ashuka |
theo tui thi san pham phai la sat 3+so2+h2s
ko biet co -hpai vay ko nhi
thoi, de tui ve xem lai phan li thuyet da vay
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| ami1986 |
datacnhang1 sai ru`iiiiiiiiiii , ko tin ah ? U thu xem sach Tai Lieu Giao Khoa Chuyen Hoa Hoc 11 tap 1 xem , tui ho.c tuui biet ma !
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| rey_sailor |
um!
minh dong y voi ban ami!
minh cung nghi axit fomic td duoc voi h2 nen da lam the nhung bai thi cua minh lai bi tru diem. minh uc lam |
| NEO |
Tra loi bai cua ban : nj friend
Theo Toi thi vi H2SO4 dn nen hau het cac chat neu tac dung duoc deu bi khu len hoa tri cao nhat dong thoi giai phong SO2 .Vi vay Toi co dap an nhu sau :
FeS2 + H2SO4 d,n - Fe2(SO4)3 + SO2 + H2O
FeS + H2SO4 d,n - Fe2(So4)3 + SO2 + H2O
Luu y : Tuy 2 phan ung co san pham giong nhau nhung he so can bang hoan toan khac vi (1) : 2S1- + 2*5e = 2S4+
(2) : S2- + 6e = S4+
Phan ung con lai thi : Cu2S+HNO3 = Cu(NO3)2 + NO + H2SO4 + H2O
Day chi la Minh hoa cua phan ung vi co le doi voi truong hop nay thi de nen cho san pham khi ra la khi gi ?
Con can bang tung phan ung thi qua de roi phai ko ban ( neu co gi ban xem lai sach Hoa Lop 10 se co cach huong dan ban )
Chuc ban thanh cong !!!
Co gi ban lien lac voi minh :
Huy : Xuanhuymc@hotmail.com .
phone : 0511 836232
Xuan Huy
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| NEO |
trích:
Tra loi bai cua ban : nj friend
Theo Toi thi vi H2SO4 dn nen hau het cac chat neu tac dung duoc deu bi khu len hoa tri cao nhat dong thoi giai phong SO2 .Vi vay Toi co dap an nhu sau :
FeS2 + H2SO4 d,n - Fe2(SO4)3 + SO2 + H2O
FeS + H2SO4 d,n - Fe2(So4)3 + SO2 + H2O
Luu y : Tuy 2 phan ung co san pham giong nhau nhung he so can bang hoan toan khac vi (1) : 2S1- + 2*5e = 2S4+
(2) : S2- + 6e = S4+
Phan ung con lai thi : Cu2S+HNO3 = Cu(NO3)2 + NO + H2SO4 + H2O
Day chi la Minh hoa cua phan ung vi co le doi voi truong hop nay thi de nen cho san pham khi ra la khi gi ?
Con can bang tung phan ung thi qua de roi phai ko ban ( neu co gi ban xem lai sach Hoa Lop 10 se co cach huong dan ban )
Chuc ban thanh cong !!!
Co gi ban lien lac voi minh :
Huy : Xuanhuymc@hotmail.com .
phone : 0511 836232
Xuan Huy
Ban nao o HCM va HN xin lam on cho minh de thi HKI 02-03 T-L-H nha - Minh cam on - Ban goi vao mail cho minh : xuanhuymc@hotmail.com
Xuan Huy
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| might |
ami1986 noi lon roi, a.fomic la HCOOH chu dau phai la HCHO.
HCOOH dung ra la cong H2 duoc vi cung co lk pi nhung ma san pham la ruou co 2nhom OH tren cung 1C nen khong ben coi nhu la khong co phan ung.
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| salem85 |
cac axit huu co khong the khu duoc bang cac chat khu thong thuong nhu H2 nhung co the khu duoc bang LiAlH4 tao thanh ancol bac mot
cung xin hoi ban ami1986 sao minh doc het cuon TAI LIEU GIAO KHOA CHUYEN HOA HOC 11_12 tap 1 roi ma sao khong thay co phan ung axit focmic tac dung voi H2 khi co xuc tac Ni, Pt
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| hoang cong tuan |
theo mi`nh thi` chac chan co Fe2(SO4)3 nhung co`n nhu~ng chat
sau thi` ko phai cu' la` SO2 & H2O.co' the la` H2S hoac S ket tua
do do' tuy` tu~ng de^` bai` cho ma` ta du doan' chat sau PU~. |
| taituhollywood |
cho minh tham gia voi
that ra axit fomic khong the tac dung duoc voi H2 vi nhu the minh ko the viet duoc phuong trinh vi phuong trinh cua axit focmic la : H-cooH nen khi tac dung voi H2 thi phai viet lam sao .
taitu
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| datacnhang1 |
minh van luon bao ve quan diem cua minh
minh vuimung khi co nhieu ban co cung quan diem:
HCOOH + H2 ko xay ra
chuc cac ban vui ve
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