For the given reaction 

Correct statements is / are about products:

i) Number of all possible monobromo  products for (R) are 6 (including stereo)
ii)  (P) Show positive bromine water test
iii)  Q) Gives methane gas with CH₃MgBr 
iv) (Q) Can react with Na metal 
v) (Q) gives negative Lucas test
vi) (P) Upon reductive ozonolysis gives acetone and acetaldehyde