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प्रश्न
Which one of the following is not feasible
पर्याय
\[\ce{Zn_{(s)} + Cu^{2+}_{ (aq)} -> Cu_{(s)} + Zn^{2+}_{ (aq)}}\]
\[\ce{Cu_{(s)} + Zn^{2+}_{ (aq)} -> Zn_{(s)} + Cu^{2+}_{ (aq)}}\]
\[\ce{Cu_{(s)} + 2Ag^+_{ (aq)} -> 2Ag_{(s)} + Cu^{2+}_{ (aq)}}\]
\[\ce{Fe_{(s)} + Cu^2_{ (aq)} -> Cu_{(s)} + Fe^{2+}_{ (aq)}}\]
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उत्तर
\[\ce{Cu_{(s)} + Zn^{2+}_{ (aq)} -> Zn_{(s)} + Cu^{2+}_{ (aq)}}\]
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संबंधित प्रश्न
Out of C and CO, which is a better reducing agent at 673 K?
Giving examples, differentiate between ‘roasting’ and ‘calcination’.
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Zinc is obtained from ZnO by ____________.
Extraction of gold and silver involves leaching the metal with CN– ion. The metal is recovered by ______.
At the temperature corresponding to which of the points in figure, FeO will be reduced to Fe by coupling the reaction \[\ce{2FeO -> 2Fe + O2}\] with all of the following reactions?
(a) \[\ce{C + O2 -> CO2}\]
(b) \[\ce{2C + O2 -> 2CO}\]
(c) \[\ce{2CO + O2 -> 2CO2}\]
(i) Point A
(ii) Point B
(iii) Point D
(iv) Point E
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