C3H6 B)C2H4 C)C4H8 D)C5H

73. (v16-121-24_Dibromalkanga rux metalli tasir ettirilganda 33,75 g rux bromid olindi. Agar dastlabki dibromalkanning hosil bolgan alkendan massa farqi 34,8 ga teng bolsa, alkenni toping, (q = 75%) A) C3H6 B)C2H4 C)C4H8 D)C5H10