1.

The product(s) obtained via oxymercuration (HgSO_4 + H_2SO_4) of 1-butyne would give

Answer»

`CH_3CH_2-oversetoversetO(||)C-CH_3`
`CH_3CH_2CH_2-CHO`
`CH_3CH_2CHO+HCHO`
`CH_3CH_2COOH + HCOOH`

SOLUTION :`underset"1-Butyne"(CH_3CH_2C-=CH+H_2O)underset"Mark. ADDN."OVERSET(HgSO_4+H_2SO_4)to [CH_3CH_2-undersetunderset(OH)|C=CH_2]overset"Tautomerises"toCH_3CH_2-CO-CH_3`


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