Acid-catalysed hydration'of alkenes except ethene leads to the formation of

Options

A. primary alcohol
B. secondary or tertiary alcohol
C. mixture of primary and secondary alcohols
D. mixture of secondary and tertiary alcohols

Answer

B

Explanation

Hydration of ethene gives a 1° alcochol, ie, ethanol while all other alkenes give either 2° or 3° alcohols.
`underset("Ethene")(CH_(2)=CH_(2)) overset((i) "conc" H_(2)SO_(4))underset((ii)H_(2)O, "boil") to underset(1^(@)"alcohol")(CH_(3)-CH_(2)OH)`
`R - CH = CH_(2) overset((i)"conc" H_(2)SO_(4))underset((ii)H_(2)O, "boil") to underset(2^(@) "Alcohol")(R-CHOH -CH_(3))`