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प्रश्न
Which of the following pairs will give displacement reactions?
पर्याय
NaCl solution and copper metal
MgCl2 solution and aluminium metal
FeSO4 solution and silver metal
AgNO3 solution and copper metal.
उत्तर
AgNO3 solution and copper metal.
Explanation:
AgNO3 solution will cause a displacement reaction with copper (Cu) because copper is placed above silver in the activity series.
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\[\ce{MnO2(s) + Al(s) -> Mn(l) + Al2O3(s) + Heat}\]
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