2 methylbutane on reacting with bromine in the presence of sunlight gives mainly

Acid catalyzed hydration of alkenes except ethene leads to the formation of

Which types of isomerism is shown by 2,3-dichlorobutane?

Benzene and toluene form nearly ideal solutions. At 20 ^oC, the vapour pressure of benzene is 75 torr and that of toluene is 22 torr. The partial vapour pressure of benzene at 20 ^oC for a solution containing 78 g of benzene and 46 g of toluene in torr is