The addition of bromine to cyclopentene provides evidence for bromonium ion intermediate in bromine addition. It follows ionic mechanism. When cyclopentene reacts with bromine in presence of. "CC"l_4 anti addition occurs and gives trans isomer. So, addition of halogen to an alkene is a stereospecific reaction. Cis alkene on addition with halogen gives racemic products and trans alkene on addition gives meso mixture. Trane 2-butene on reacting with Br_2 in CCl_4 forms mainly

The addition of bromine to cyclopentene provides evidence for bromoniu

1.	The addition of bromine to cyclopentene provides evidence for bromonium ion intermediate in bromine addition. It follows ionic mechanism. When cyclopentene reacts with bromine in presence of. "CC"l_4 anti addition occurs and gives trans isomer. So, addition of halogen to an alkene is a stereospecific reaction. Cis alkene on addition with halogen gives racemic products and trans alkene on addition gives meso mixture. Trane 2-butene on reacting with Br_2 in CCl_4 forms mainly
Answer» `+-2,3-`DIBROMOBUTANE `+2, 3-`dibromobutane `-2,3-`dibromobutane Meso 2, 3-dibromobutane Answer :(D)