1.

How would you obtain (a) But-2-enal from ethanal,(b) Butanoic acid from butanol,(c ) Benzoic acid from ethylbenzene ?

Answer»

SOLUTION :(a) But-2-enal from ethanal `:`
`UNDERSET("Ethanal")(2CH_(3) CHO ) OVERSET("dil. NaOH" )( rarr) CH_(3)underset( OH)underset(|)(C) HCH_(2) CHOoverset( Delta )( rarr) CH_(3) - underset( "But-2-enal")(CH-CHCHO)`
(b) Butanoic acid from butanol `:`
`underset("Butanol")(CH_(3) CH_(2) CH_(2) CH_(2) OH) underset([O])overset( KMnO_(4))(rarr)underset("Butanoic acid ")(CH_(3) CH_(2) CH_(2) COOH ) `
(c ) Benzoic acid from ethylbenzene `:`


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