The total no of stereoisomers when Cis but-2-ene reacts with `Br_2//"CC"l_4`

a) Draw the stereochemical structure of the product in the following reaction. R-C-=C-R overset(H_(2))underset("Lindlar's catalyst")to b) Write down the structures of the stereoisomers formed when cis-2-butene is reacted with bromine.

Write down the structure of the stereoisomers formed when cis-2-butene is treated with bromine.

Total number of stereoisomers in [Co(en)_2Br_2]^+ complex are

trans-But -2- en on reaction with Br_(2) in C CI_(4) forms

Colour of the solution when KI reacts with Br_(2) is

When but -3-en-2-ol reacts with aq HBr , we get

Total stereoisomers of [Co(N_(2)O_(4))]^(-) are :