1. The problem statement, all variables and given/known data Arrange the following compounds inorder of increasing reactivity with water, 1.allyl halide 2.primary aryl halide 3.RMgX 4.acidanhydride 5.aliphatic acid chloride 6.tertiary alkyl halide 2. Relevant equations n/a 3. The attempt at a solution I thought since water is a nucleophile, this would be a nucleophilic reaction,so the stronger the electrophilic nature of the organic compound,the faster would be its reaction,with water. Am I correct to assume this? I was told in another forum that I should start by arranging the compounds inorder of nucleophilic strength,so, tertiary alkyl halide> allyl halide> I got as far as this but, now I don't know if acid anhydride is more nucleophilic than RCOCl, I think it might be more nucleophilic,cause an acid anhydride has 2 carbonyl groups whereas an acid chloride has only 1,but I'm not very sure? I don't know what I should do. I know that all of the above compounds react with water (to some extent)based on my knowledge of their reactions with water(except acid anhydride,I haven't still learnt any of its reactions),but,I'd like to know, what exactly is the property that an organic compound should have,inorder to react with water? Hope my problems clear. Thank you.