Advertisements
Advertisements
प्रश्न
What do you observe when a few pieces of iron are dropped in a blue solution of copper sulphate?
Advertisements
उत्तर
When a few pieces of iron are dropped into a blue coloured copper sulphate solution, the blue colour of the solution fades and eventually turns into light green.
\[\ce{Fe + CuSO4_{(aq)}-> FeSO4 + Cu}\]
APPEARS IN
संबंधित प्रश्न
What is meant by the metal reactivity series ? State its importance, (any two points).
Write chemical equation for the event.
Electrolysis of alumina is done.
Explain the following reaction with the balanced equation.
Sodium burns in air
Explain the following reaction with the balanced equation.
Magnesium reacts with dil HCl
Explain the following reaction with the balanced equation.
Sulphur burns in air
Observe the following diagram and identify the type of reaction and write observation.
Which of the following is the correct arrangement of the given metals in ascending order of their reactivity?
Zinc, Iron, Magnesium, Sodium
Give the steps involved in the extraction of metals of low and medium reactivity from their respective sulphide ores.
Metal ‘A’ has electronic configuration 2, 8, 1 and metal ‘B’ has electronic configuration 2, 8, 8, 2. Out of these, which metal is more reactive? Write the reaction of this metal with dilute HCl acid.
Arrange the following as per the instruction given in the bracket:
Al, K, Mg, Ca (decreasing order of its reactivity)
