The major product obtained on treatment of `CH_(3)CH_(2)CH(F) CH_(3) " with " CH_(3)O^(-)//CH_(3)OH` is :

Predict the major product of dehydration of each of (A). (CH_(3))_(2)C(OH)CH_(2)CH_(3) (B). (CH_(3))_(2)CHCH(OH)CH_(3) (C). (CH_(3))C(OH)CH(CH_(3))_(2)

The major product in the reaction, CH_(3)CH_(2)NH_(2)+Cl-overset(O)overset(||)C-CH_(3) is