Cho dãy chuyển hoá sau: $F\text{e}\xrightarrow{+X}F\text{e}C{{l}_{3}}\xrightarrow{+Y}F\text{e}C{{l}_{2}}\xrightarrow{+Z}F\text{e}{{\left( N{{O}_{3}} \right)}_{3}}$. X, Y, Z lần lượt là:

Các phản ứng

$Fe+3/2C{{l}_{2}}\to FeC{{l}_{3}}$

$2FeC{{l}_{3}}+Fe\to 3FeC{{l}_{2}}$

$2FeC{{l}_{3}}+Cu\to 2FeC{{l}_{2}}+CuC{{l}_{2}}$

$FeC{{l}_{2}}+HN{{O}_{3}}\to Fe{{\left( N{{O}_{3}} \right)}_{3}}+FeC{{l}_{3}}+{{H}_{2}}O+{{N}_{x}}{{O}_{y}}$

$FeC{{l}_{2}}+3AgN{{O}_{3}}\to Fe{{\left( N{{O}_{3}} \right)}_{3}}+2AgCl+Ag$

=> Đáp án D