1.

In the following series of chemical reactions identify Z C_(3)H_(7)OH underset(160-180^(@)C)overset(Conc. H_(2)SO_(4))to X overset(Br_(2))to Y underset(Alc. KOH)overset("Excess of ") to Z

Answer»

`CH_(3)-UNDERSET(NH_(3))underset(|)CH-underset(NH_(2))underset(|)CH_(2)`
`CH_(3)-underset(OH)underset(|)CH-underset(OH)underset(|)CH_(2)`
`CH_(3)-underset(OH)underset(|)C=CH_(2)`
`CH_(3)C-=CH`

Solution :`CH_(3)CH_(2)CH_(2)OH underset(160-180^(@)C)overset("conc. " H_(2)SO_(4))to CH_(3)CH=CH_(2)overset(Br_(2))to CH_(3)-underset(Br)underset(|)CH-underset(Br)underset(|)Chunderset("In EXCESS")overset("alc." KOH)to underset("PROPYNE")(CH_(3)-C=-CH)`


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