Write the mechanism (using curved arrow notation) for the following reaction
`CH_(2)=CH_(2) overset(H_(2)O^(+))(rarr) CH_(3)-CH_(2) +H_(2)O`

(a) Arrange the following compounds in the increasing order of their acid strength: p-creson, p-nitrophenol, phenol ltbr. (b) Write the mechanism (using curved arrow notation) of the following reaction: CH_(2)=CH_(2)overset(H_(3)O^(+))toCH_(3)-CH_(2)^(+)+H_(2)O

(a) Write the formula of reagents used in the following reactions: (i) Bromination of phenol to 2, 4,6-tribromophenol (ii) Hydroboration of propene and then oxidation to propanol. (b) Arrange the following compound groups in the increasing order of their property indicated. (i) p-nitrophenol, ethanol, phenol (acidic character) (ii) Propanol, Propane, Propanal (boiling point) (c) Write the mechanism (using curved arrow notation) of the following reaction: CH_(3) - CH_(2) - overset(+)(O)H_(2) overset(CH_(3) CH_(2) OH)rarr CH_(3) - CH_(2) - underset(H)underset(|)overset(+)(O) - CH_(2) - CH_(3) + H_(2)O

Write the mechanism of the following reaction CH_(3)CH_(2)OH overset(HBr)toCH_(3)CH_(2)Br+H_(2)O .

Write mechanism of the following reaction: CH_(3)CH_(2)Ohoverset(HBr)toCH_(3)CH_(2)Br+H_(2)O .

Write the mechanism of the following reaction : 2CH_(3) CH_(2) OH underset("413K")overset("Conc. "H_(2)So_(4))rarr CH_(3) CH_(2) - O - CH_(2) - CH_(3)

Write the structures of the products of the following reactions : (i) CH_(3)-CH=CH_(2) overset(H_(2)O //H^(+))(rarr) (ii) (iii) CH_(3)-CH_(2)-underset(CH_(3))underset(|)(CH)-CHO overset(NaBH_(4))(rarr)