1.

Compound (X)C_(9)H_(10)O in inert to Br_(2)//"CC"l_(4). Vigorous oxidation with hot alkaline KMnO_(4)//ObarH yields C_(6)H_(5)COOH . (X) gives precipitate with 2,4,-dinitrophenyl hydrazine. How casn these isomers be distinguished by the usual chemical tests? Following are possible isomers of X: (I) C_(6)H(5)-CH_(2)-CH_(2)-CHO CH_(6)H_(5)-underset(CH_(3))underset(|)(CH)-CHO (III) C_(6)H_(5)-CH_(2)-overset(O)overset(||)(C)-CH_(3) (IV) CH_(6)H_(5)-overset(O)overset(||)(C)-CH_(2)-CH_(3)

Answer»

I give RED ppt with Fehling SOLUTION and II & III canbe distinguished by iodoform test
I & II canbe distinguished by simple CHEMCIAL method
I & II give red ppt. with Fehlilng solution and III & IV can be distinguished by iodoform test
II give red ppt. Fehling solution and I & IV can be distinguished by iodoform test.

Solution :By the condition of the question.I & IV both compounds do not GIE iodoform test ad I & II both are GIVES similar test


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