CH3 - CH2 - CH2 - CH2Br+ KOH --> KBr+H2O+CH3- CH2-CH=CH2 (А)
CH3- CH2-CH=CH2+HBr--> CH3-CH2-CHBr-CH3 (B)
CH3 - CH2 - CH2 - CH2Br+ KOH --> KBr+H2O+CH3- CH2-CH=CH2 (А)
CH3- CH2-CH=CH2+HBr--> CH3-CH2-CHBr-CH3 (B)