The predominant type of reaction undergone by alkenes is:
Electrophilic addition.
Electrophilic substution.
Free radical substution.
Nucleophlic addition.
The predominant type of reaction undergone by halogenoalkanes is:
Nucleophilic substution.
Rank the following substrates in order of decreasing reactivity in an SN2 reaction (most reactive first, least reactive last).
(I) (CH3)3C-Br,
(II) CH3Br,
(III) CH3CH2Cl,
(IV) CH3CH2Br.
IV > I > II > III.
I > II > III > IV.
IV > III > II > I.
II > IV > III > I.
What is the sequence of reagents that will accomplish the synthesis of 4-methylphenylamine from benzene?
HNO3, H2SO4; Fe, HCl; NaOH; CH3Cl, AlCl3.
CH3Cl, AlCl3; HNO3, H2SO4; H2.
CH3Cl, AlCl3; HNO3, H2SO4; Fe, HCl; NaOH.
HNO3, H2SO4; CH3Cl, AlCl3; Fe, HCl; NaOH.
Which of the following alkyl halides would undergo SN2 reaction most rapidly?
CH3CH2-Br.
CH3CH2-I.
CH3CH2-Cl.
CH3CH2-F.
