1.

Write equations for preparation of propan -2- ol, from (i) an alkene, and (ii) a Grignard reagent.

Answer»

Solution :(i) `UNDERSET("Propene")(CH_(3)-CH=CH_(2)+H_(2)O) OVERSET(H_(2)SO_(4))rarr underset("Propan-2-ol")(CH_(3)-underset(OH)underset("|")"CH"-CH_(3))`
(ii) `underset("ETHANAL")(CH_(3)-overset(OH)overset("|")"C "-H)+underset("bromide")underset("Methyl magnesium")(CH_(3)MGBR) rarr CH_(3)-overset("OMgBr")overset("|")underset(CH_(3))underset("|")"C "-CH_(3)overset(H_(2)O //H^(+))rarr underset("Tertiary butyl alcohol")(CH_(3)-underset(CH_(3))underset("|")overset(OH)overset("|")"C "-CH_(3))`


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