1.

An alkene 'X' (molecular formula C_(5)H_(10)) on ozonolysis gives a mixture of two compounds 'Y'and 'Z'. Compound 'Y' gives positive Fehling's test and also forms iodoform on treatement with I_(2)" and "NaOH. Compound 'Z' does not give Fehling's test but forms iodoform. Identify the compounds X, Y and Z. Write the reaction for ozonolysis and formation of iodoform from Y and Z.

Answer»

`{:("X","Y","Z"),(C_(6)H_(5)COCH_(3),CH_(3)CHO,CH_(3)COCH_(3)):}`
`{:("X","Y","Z"),(CH_(3)-CH=underset(CH_(3))underset(|)C-CH_(3),CH_(3)CHO,CH_(3)COCH_(3)):}`
`{:("X","Y","Z"),(CH_(3)CH_(2)CH=CH_(2),CH_(3)CH_(2)CHO,HCHO):}`
`{:("X","Y","Z"),(CH_(3)-CH=CH-CH_(3),CH_(3)CHO,CH_(3)CHO):}`

Solution :`CH_(3)-underset((X))underset("")(CH)=underset(CH_(3))underset(|)C-CH_(3)overset((i)O_(3))underset((ii)Zn//H_(2)O)to underset((Y))underset("and IODOFORM test")underset("POSITIVE Fehling's")(CH_(3)CHO+)underset((Z))underset("Iodoform test")(CH_(3)-overset(O)overset("||")C-CH_(3))`


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