Which one of the following is more reactive towards `SN^(2)` mechanism.
`((CH_(3))_(3)C-Br)`. `((CH_(2))_(3)CH-Br)`. `((CH_(3))CH_2-Br)`. (CH_3-Br)`.

Which of the following does not give Iodoform reaction ? CH_(3)CH_(2)OH, CH_(3)CH(OH)CH_(2)CH_(3), CH_(3)CH(OH)CH_(3), (CH_(3))_(3)COH

Encircle whichever of the following : undergoes an S_(N^1) reaction more rapidly : (CH_3)_3C-Br or (CH_3)_3C-I

Which one of the following is best catalyst for the reaction shown below ? CH_(3)(CH_(2))_(8)CH_(2)Broverset(KCN)underset("benzene")(to)CH_(3)(CH_(2))_(8)CH_(2)CN

Which of the following should be most volatile? (I) CH_(3)CH_(2)CH_(2)NH" (II) "(CH_(3))_(3)N (III) (IV) CH_(3)CH_(2)CH_(3)

Which member of the following pairs would you expect to be more water soluble ? (a) CH_(3)CH_(2)OH or CH_(3)CH_(2)OCH_(3) (b) CH_(3)COOH or HCOOCH_(3)

Which of the following haloalkanes have low boiling point ? Give reason. (a) CH_(3)CH_(2)CH_(2)CH_(2)Br (b) {:(CH_(3)CH_(2)CHCH_(3)),(" |"),(" "Br):} (c ) {:(" "CH_(3)),(" |"),(H_(3)C-C-CH_(3)),(" |"),(" "Br):}

Which reagent will you use for the following reaction? CH_(3)CH_(2)CH_(2)CH_(3)rarrCH_(3)CH_(2)CH_(2)CH_(2)Cl+CH_(3)CH_(2)CHClCH_(3)

Arrange the following in the increasing order of stability. CH_(3)CH_(2)CH=CH_(2), CH_(3)CH=CHCH_(3)(cis), CH_(3)CH=CHCH_(3)" (trans)"

Write the mechanism of the following reaction: CH_(3)CH_(2)OHoverset(HBr)(to)CH_(2)CH_(2)Br+H_(2)O

For each of the following pairs of E_2 reaction, selectthe one thatoccurs withthe greaterrate constant (1) CH_(3)CH_(2)CH_(2)Cl + CH_(3) - overset(CH_3)overset(|)underset(CH_3)underset(|)C-O^- (2) CH_(3)CH_(2)CH_(2)I + CH_(3) - overset(CH_3)overset(|)underset(CH_3)underset(|)C-O^- (3) H_3C-underset(Br)underset(|)CH-CH_3 + CH_3O^- (4) H_3C-underset(Br)underset(|)CH-CH_3 + CH_3S^-