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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Priyanshu kumar Best Answer
option C Option D is not accordance with product. In option A and B as before protection of OH group there is reaction with grignard reagent and OH group provides proton. further reaction stops and in 3rd one there is protection of OH group using Csco3,MeI,THF..Also grignard reagent is not stable in protic medium... so option C should be correct pathway