Among these chain isomers are :
(I) `CH_(3)-CH_(3)-CH_(2)-CH_(2)-OH`
(II) `CH_(3)-CH_(2)-underset(OH)underset(|)(CH)-CH_(3)`
(III) `CH_(3)-underset(CH_(3))underset(|)overset(OH)overset(|)(C)-CH_(3)`

Options

A. I only
B. I and III
C. I and II
D. None of these

Answer

B