Write the mechanism of the following reactions
(i). `CH_(2)Cl+OH^(-)toCH_(3)OH+Cl^(-)`
(ii). `CH_(3)-CH_(2)-overset(Cl)overset(|)(C)H-CH_(3)+OH^(-)toCH_(3)-CH=CH-CH_(3)+Cl^(-)`.

CH_(3)OCH_(2)CH_(2)overset(OH)overset(|)(CH)CH_(2 )Cl

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

CH_(3)-underset(OH)underset(|)(CH)-CH_(2)Cl

Give the name of the following reaction: CH_(3)CHO+CH_(3)COCH_(3)overset(OH^(-))toCH_(3)CH(OH)CH_(2)COCH_(3)

Write the IUPAC name of the following compounds: (i) CH_(3)-underset(CH_(3))underset(|)(CH)-CO-underset(CH_(3))underset(|)(CH)-CH_(3) (ii) CH_(3)COCH_(2)COCH_(3) (iii) H_(3)C-overset(O)overset(||)(C)-CH_(2)-overset(Cl)overset(|)(CH)-CH_(3) (iv) CH_(3)-underset(OH)underset(|)(CH_(2))-overset(O)overset(||)(C)-CH_(3) (v)