Galogenlarning vodorod bilan hosil
qilgan birikmalari
Vodorod fto rid n in g olinishi va uning shishaga ta ’siri.
(T ajriba m o‘rili sh k a fd a olib boriladi.)
T igelga ozgin a kalsiy flo rid k ristalla rid a n soling va bir
necha tom chi konsentrlangan sulfat kislota (p = 1,84 g /sm 3)
tom izing. T igelni tezlik bilan yozuvi b o 'lg an parafinlangan
shisha plastinka b ila n yoping. Tigel tub in i 2—5 m in u t past
gaz alan gasid a q izd irin g . T igelni soviting. K eyin shish an i
suvda chayqab, p arafm qavatini olib tashlang va h a r ikkala
to m o n in i taq q o slan g . V o dorod fto rid n i olish va u n in g
sh ish aga t a ’sir e tish reaksiyasi te n g la m a larin i yozing.
Natriy xlorid, natriy bromid va kaliy yodidlarning
konsentrlangan sulfat kislota bilan ta’siri
U c h ta p ro b irk a n i shtativ g a o 'rn a tin g . U la rn in g biriga
N a C l, bosh q asig a N a B r va u ch in c h isig a kaliy yodid KJ
kristallarid an o zg in a d a n soling. P ro b irk alarn in g h a r biriga
b ir n ech a to m c h id a n k o n sen trlan g an H 2S 0 4 dan tom izing.
N im a ku zatilad i? B u usu ld a o lin g an v o d o ro d b ro m id va
v o d o ro d y o d id la r n im a b ila n ifloslangan? R eaksiya te n g
lam alarini yozing. G alog en ovo d oro d lard an qaysilari kuchli
q aytaru vchi? Q aysi g alo g en o v o d o ro d larn i k o n se n trla n g a n
H 2S 0 4 ni tegishli galo g en id larg a t a ’sir e ttirib olish m u m
kin?
Dostları ilə paylaş: 
