⑴、CaC 2+2H 2O→Ca(OH) 2+HC≡CH↑
⑵、
+3HO-NO 3
+3H 2O
⑶、
+3Br 2→
↓+3HBr
⑷、CH 3CHO+2Cu(OH) 2→CH 3COOH+Cu 2O↓+2H 2O
⑸、CH 2CH 2Br+NaOH
CH 2=CH 2↑+NaBr+H 2O
⑴、CaC 2+2H 2O→Ca(OH) 2+HC≡CH↑
⑵、
+3HO-NO 3
+3H 2O
⑶、
+3Br 2→
↓+3HBr
⑷、CH 3CHO+2Cu(OH) 2→CH 3COOH+Cu 2O↓+2H 2O
⑸、CH 2CH 2Br+NaOH
CH 2=CH 2↑+NaBr+H 2O