Phản ứng nào dưới đây đúng?
A.$ 2KN{{O}_{3\,(r)}}\xrightarrow{{{t}^{o}}}{{K}_{2}}{{O}_{(r)}}+2N{{O}_{2}}+\dfrac{1}{2}{{O}_{2}} .$
B.$ KN{{O}_{3\,(r)}}\xrightarrow{{{t}^{o}}}{{K}_{(r)}}+N{{O}_{2}}+\dfrac{1}{2}{{O}_{2}} .$
C.$ 2KN{{O}_{3\,(r)}}\xrightarrow{{{t}^{o}}}2KN{{O}_{2}}_{\,(r)}+{{O}_{2\,(k)}} .$
D.$ 2KN{{O}_{3\,(r)}}\xrightarrow{{{t}^{o}}}{{K}_{2}}O{{\,}_{(r)}}+{{N}_{2}}O+2{{O}_{2}} .$
A.$ 2KN{{O}_{3\,(r)}}\xrightarrow{{{t}^{o}}}{{K}_{2}}{{O}_{(r)}}+2N{{O}_{2}}+\dfrac{1}{2}{{O}_{2}} .$
B.$ KN{{O}_{3\,(r)}}\xrightarrow{{{t}^{o}}}{{K}_{(r)}}+N{{O}_{2}}+\dfrac{1}{2}{{O}_{2}} .$
C.$ 2KN{{O}_{3\,(r)}}\xrightarrow{{{t}^{o}}}2KN{{O}_{2}}_{\,(r)}+{{O}_{2\,(k)}} .$
D.$ 2KN{{O}_{3\,(r)}}\xrightarrow{{{t}^{o}}}{{K}_{2}}O{{\,}_{(r)}}+{{N}_{2}}O+2{{O}_{2}} .$
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