Consider the following reactions :
Which of these reactions are possible ?

For the following reactions


K_s and K_e, are respectively, the rate constants for substitution and elimination and $$\mu = {{{k_s}} \over {{k_e}}}$$ the correct options is

1- methyl ethylene oxide when treated with an excess of HBr produces :

Which one of the following is likely to give a precipitate with AgNO₃ solution ?