Alkenes react with water in presence of a few drops of conc. sulphuric acid to form:
None of the above
Both (A) & (B)
Geminal glycols
Vicinal glycols
They form vicinal glycols as shown below:
A compound 'X' reacts with conc. Sulphuric acid to give an alkene. The alkene reacts with bromine and subsequent treatment of the product with alcoholic KOH yields propyne. The formula of the compound is