Complete the following Claisen condensation products. Indicate whether (X), (Y) and (Z) will show iodoform test or not.
`2CH_(3)COOC_(2)H_(5)overset(C_(2)H_(5)ONa)to(X)overset(HOH//HCl)tounderset(("Keto acid"))((Y))+underset(("An alcohol"))((Z))`

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`(X):CH_(3)-overset(O)overset(||)C-CH_(2)-overset(O)overset(||)C-OC_(2)H_(5),(Y) : CH_(3)-overset(O)overset(||)C-CH_(2)COOH,(Z):C_(2)H_(5)OH`
(X) and (Y) have `CH_(3)-overset(O)overset(||)C-` group hence, they will show iodoform test. Alcohol (Z) on oxidation gives `CH_(3)-overset(O)overset(||)C-` group hence, it will also give iodoform test.

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