" Why is ( "+-" )-Butan- "2" -ol optically inactive? "

(a) Why does p-dichlorobenzene have a higher m.p than its o-and m-isomers? (b) Why is ( pm ) - Butan -2 - ol of is optically inactive?

(a) Why does p-dichlorobenzene have a higher m.p than its o-and m-isomers? (b) Why is ( pm ) - Butan -2 - ol of is optically inactive?

(i) Why does p-dichlorobenzene have a higher m.p. than its o- and m-isomers ? (ii) Why is (dl)- butan- 2-ol Optically inactive ?

pm 2-butanol is optically inactive

Why is (pm) butan-2-ol is optically inactive?