Ответ:
2CH4=C2H2+3H2
C2H2 + HBr → C2H3Br
C2H3Br+ KOH ( спирт)= С2Н2 +КBr под t
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Ответ:
2CH4=C2H2+3H2
C2H2 + HBr → C2H3Br
C2H3Br+ KOH ( спирт)= С2Н2 +КBr под t