A) \[2As{{H}_{3}}(s)\xrightarrow{{}}2As(s)+3{{H}_{2}}(g)\]
B) \[{{N}_{2}}(g)+3{{H}_{2}}(g)\xrightarrow{Fe(s)}2N{{H}_{3}}(g)\]
C) \[2S{{O}_{2}}(g){{O}_{2}}(g)\xrightarrow{NO(g)}2S{{O}_{3}}(g)\]
D) \[{{C}_{12}}{{H}_{22}}{{O}_{11}}(l)+{{H}_{2}}O(l)\xrightarrow{{{H}^{+}}(l)}\]\[{{C}_{6}}{{H}_{12}}{{O}_{6}}(l)+{{C}_{6}}{{H}_{12}}{{O}_{6}}(l)\]
Correct Answer: A
Solution :
The reactions which are catalysed by one of the product formed, are called autocatalysis reactions and the process is called autocatalysis eg,\[2As{{H}_{3}}(g)\xrightarrow{{}}2As(g)+3{{H}_{2}}(g)\]
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