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| 1. |
Identity A,B and C in the following reaction HC-=CH underset(HgSO_(4)) overset(dil.H_(2)SO_(4))toA overset(dil.NaOH)toB overset(heat)toC |
| Answer» Solution :`underset("Acetylene")(HC-=CH) underset(("ADDITION of "H_(2)O))overset(dil.H_(2)SO_(4),HgSO_(4))to underset("Vinyl alcohol (UNSTABLE)")[H_(2)C=CHOH] overset("tautomerises")to underset("Acetaldehyde (A)")(CH_(3)-CHO) underset(("ALDOL CONDENSATION"))overset(dil.NaOH)to underset(beta-"Hydroxybutyraldehyde (B) (An aldol)")(CH_(3)-CHOH-CH_(2)-CHO underset("Dehydration "(-H_(2)O))overset(heat)to underset("But-2-en-1-al(C)")(CH_(3)-CH=CH-CHO)` | |