140. (v15-116-11) Alkenga Cl2 ning ССЦ dagi eritmasi tasir ettirilganida 29,7 g dixlorid hosil boldi. Xuddi shuncha miqdordagi alkenga KMn04 ning suvdagi eritmasi tasir ettirilsa,
18,6 g ikki atomli spirt hosil boldi. Alkenni toping.
A)C4H8 B)C3H6 C)C2H4 D)C5Hi2
Alkenga Cl2 ning ССЦ dagi eritmasi tasir ettirilganida 29,7 g dixlorid
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