Câu 2. Hoàn thành các : phương trình hóa học sau: CH_(3)Cl+KOHxrightarrow (t^o) (b) CH_(3)CH_(2)Br+NaOHxrightarrow (t^circ ) (c) CH_(2)=CHCH_(2)Cl+NaOHarrow (d) C_(6)H_(5)CH_(2)Cl+NaOHxrightarrow (t^circ ) (e) CH_(3)CH_(2)Brxrightarrow (+KOH/C_(2)H_(5)OH,t^o) (g) CH_(3)-underset (uparrow )(CH)-underset (uparrow )(C)H-CH_(3)+KOHxrightarrow (C_(2)H_(5)OH,t^o) CH_(3)Cl

(a) \(\mathrm{CH}_{3} \mathrm{Cl}+\mathrm{KOH} \xrightarrow{t^{\circ}} \mathrm{CH}_{3} \mathrm{OH}+\mathrm{KCl}\)<br />(b) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Br}+\mathrm{NaOH} \xrightarrow{t^{\circ}} \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}+\mathrm{NaBr}\)<br />(c) \(\mathrm{CH}_{2}=\mathrm{CHCH}_{2} \mathrm{Cl}+\mathrm{NaOH} \rightarrow \mathrm{CH}_{2}=\mathrm{CHCH}_{2} \mathrm{OH}+\mathrm{NaCl}\)<br />(d) \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{Cl}+\mathrm{NaOH} \xrightarrow{t^{o}} \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{OH}+\mathrm{NaCl}\)<br />(e) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Br} \xrightarrow{+\mathrm{KOH} / \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}, t^{\circ}} \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}+\mathrm{KBr}\)