Which of the following reactions will evolve CO(g). |
(i) \[{{K}_{4}}Fe{{(CN)}_{6}}+Conc.\,\,{{H}_{2}}S{{O}_{4}}\xrightarrow[{}]{\Delta }\] |
(ii) \[Ni{{(CO)}_{4}}\xrightarrow[{}]{\Delta }\] |
(iii) \[Zn+C{{O}_{2}}\xrightarrow[{}]{\Delta }\] |
(iv) \[MgC{{O}_{3}}+Zn\xrightarrow[{}]{\Delta }\] |
A) All the above
B) One (i)
C) (i) & (ii)
D) none of these
Correct Answer: A
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