Dibromalkanga rux metalli tasir ettirilganda 45 g rux bromid olindi. A

76. (v16-126-18) Dibromalkanga rux metalli tasir ettirilganda 45 g rux bromid olindi. Agar dastlabki dibromalkanning hosil bolgan alkendan massa farqi 41,4 ga teng bolsa, alkenni toping, (q = 80%) A)C4H8 B)C5H10 C)C3H6 D)C2H4