M.Sc. Chemistry (PU-CET P.G) 2018 Panjab University Entrance Exam With Answers

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18.

Thiophene on reaction with HCHO and HCI gives :

A: 2,5-Dihyrothiophene
B: 2-Chloromethlthiophene
C: 2-Chloromercurithiophene
D: 2-Acetylthiophene

The answer is: B