A) \[3CaC{{O}_{3}}+2{{H}_{3}}P{{O}_{4}}\to C{{a}_{3}}{{(P{{O}_{4}})}_{2}}+3{{H}_{2}}O+3C{{O}_{2}}\]
B) \[2{{C}_{2}}{{H}_{6}}+7{{O}_{2}}\to 6{{H}_{2}}O+2C{{O}_{2}}\]
C) \[2Fe{{(OH)}_{3}}+3{{H}_{2}}S{{O}_{4}}\to F{{e}_{2}}{{(S{{O}_{4}})}_{3}}+6{{H}_{2}}O\]
D) \[2Fe+3{{H}_{2}}O\to F{{e}_{2}}{{O}_{3}}+3{{H}_{2}}\]
E) None of these
Correct Answer: B
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