The product of hydrolysis of propyne in the presence of 1% HgSO4 and 40% H2SO4 is _____.
Q.1 (ix) The product of hydrolysis of propyne in the presence of 1% HgSO4 and 40% H2SO4 is _____.
A. methanal
B. ethanal
C. propanal
D. propanone
Q.1 (ix) The product of hydrolysis of propyne in the presence of 1% HgSO4 and 40% H2SO4 is _____.
A. methanal
B. ethanal
C. propanal
D. propanone
Best answer
Answer: D. propanone
Answer: (d) propanone
Water adds to propyne according to Markovnikov's rule, giving the enol CH3–C(OH)=CH2, which tautomerises to the ketone:
CH3–C≡CH + H2O → (1% HgSO4, 40% H2SO4) [CH3–C(OH)=CH2] → CH3–CO–CH3
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