Phản ứng nào sau đây đúng?
A.
\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\mathrm{HBr} \xrightarrow{i} \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{Br}+\mathrm{H}_{2} \mathrm{O}\).
B.
\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\mathrm{HBr} \xrightarrow{i} \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OBr}+\mathrm{H}_{2}\).
C.
\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\mathrm{NaOH} \xrightarrow{i} \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{ONa}+\mathrm{H}_{2} \mathrm{O}\).
D.
\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\mathrm{Na} \xrightarrow{\mathrm{i}^{\circ}} \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{Na}+\mathrm{H}_{2} \mathrm{O}\).
Giải thích:
\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\mathrm{HBr} \xrightarrow{i} \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{Br}+\mathrm{H}_{2} \mathrm{O}\).
Câu hỏi này nằm trong: