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प्रश्न
Arrange the following metals in order of their chemical reactivity, placing the most reactive metal first:
Magnesium, Copper, Iron, Sodium, Zinc, Lead, Calcium
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उत्तर
Sodium > Calcium > Magnesium > Zinc > Iron > Lead > Copper
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संबंधित प्रश्न
Metal A has electronic configuration (2, 8, 1) and metal B has (2, 8, 8, 2). Which is more reactive? Why? Identify these metals.
_________ solution is blue in colour.
(a) CuSO4
(b) FeSO4
(c) ZnSO4
(d) Al2(SO4)3
An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be ______.
What changes in the colour of iron nails and copper sulphate solution do you observe after keeping the iron nails dipped in copper sulphate solution for about 30 minutes?
Name the metal which has been placed at the top of the reactivity series.
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\[\ce{Na2O + H2O ->}\]
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How do non-metals react with hydrogen? Explain with an example.
Name two metals which cannot displace hydrogen from dilute acids.
Hydrogen is not a metal but still it has been assigned a place in the reactivity series of metals. Why?
Name one metal which displaces copper from copper sulphate solution.
Which non-metal has been placed in the reactivity series of metals?
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Zinc oxide is a metal oxide. Which of the following term best describes the nature of zinc oxide:
Which of the following pair of reactants can undergo a displacement reaction under appropriate conditions?
An element X forms two oxides XO and XO2. The oxide XO has no action on litmus solution but oxide XO2 turns litmus solution red.
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- What is the nature of oxide ХО2?
- Would you call element X a metal or a non-metal? Give reason for your choice.
- Can you give an example of element like X?
\[\ce{CuSO4_{(aq)} + Fe_{(s)} -> FeSO4_{(aq)} + Cu_{(s)}}\]
\[\ce{FeSO4_{(aq)} + Zn_{(s)} -> ZnSO4_{(aq)} + Fe_{(s)}}\]
On the basis of the above reactions, indicate which is most reactive and which is least reactive metal out of zinc, copper and iron.
Name a metal for the given case:
It does not react with any physical state of water.
Which of the following property is not responsible for copper to be used as electrical conduction wires?
