InterviewSolution
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InterviewSolution
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Find the total number of feasible reaction which would yeild free metal. (a) `HgS+O_(2) underset(Delta)overset(600^(@)C)to Hg+SO_(2)` (b) `HgS+2HgO overset(Delta)to 3Hg+SO_(2)` (c ) `CuSO_(4)+3CO to 3Cu+2SO_(2)` (d) `Fe_(2)O_(3)+3CO overset(Delta)to 2Fe+3CO_(2)` (e) `Fe_(2)O_(3)+3C overset(Delta)to 2Fe+3CO` (f) `ZnSO_(4)+2C overset(Delta)to Zn+SO_(2)+2CO` (g) `4Cu_(2)O+CH_(4) to 8Cu+2H_(2)O+CO_(2)` (h) `2Na[Au(CN)_(2)]+Zn to Na_(2)[Zn(CN)_(4)]+2Au` |
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Answer» Correct Answer - 7 a,b,c,d,e,g,h f `ZnSO_(4)+2C overset(Delta)to ZnS+4CO` |
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