When 2-methyl butane-1-ol is dehydrated to give an alkene, the preferred product is

2-Methyl butan-2-ol is

The major product formed when a 3-methyl butan-2-ol is heated with concentrated sulphiric acid, is :

The major product formed when a 3-methyl butan-2-ol is heated with concentrated sulphiric acid, is :

Dehydration of butan -2-ol with conc. H_(2)SO_(4) gives preferred product.

Dehydration of butan -2-ol with conc. H_(2)SO_(4) gives preferred product.

when (-)-2-methyl butan-1-ol is heated with conc. HCI (+)-1-chloro-2- methyl butane is obtained .The reaction is an example of :