dehydration of alcohols

• what type of reaction is alcohol to alkene?

  dehydration
• what type of mechanism is alcohol to alkene?

  elimination
• what catalyst is required in elimination of alcohols?

  warm concentrated H2SO4
• what is eliminated in alcohol to alkene?

  water molecule
• what gives oxygen positive charge in elimination?

  lone pair of electrons from OH group forms bond to H+, gives oxygen positive charge
• what is the name of the C+ in elimination?

  unstable carbocation intermediate