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The topicity relationship of \(H_a\) and \(H_b\) in X, Y and Z (as drawn in the figure) are, respectively, 
The acetolysis product(s) of the given reaction (solvolysis of the benzylic tosylate in AcOH) is(are) 
The reaction(s) in which inversion of configuration occur(s) is(are) 
what is the final product
intensity ratio of final product