Advertisements
Advertisements
Question
Divide the metals Cu, Zn, Ca, Mg, Fe, Na, Li into three groups, namely reactive metals, moderately reactive metals and less reactive metals.
Advertisements
Solution
| Reactive metals | Moderately reactive metals | Less reactive metals |
| Ca | Fe | Cu |
| Na | Zn | |
| Li | Mg |
APPEARS IN
RELATED QUESTIONS
What do you observe when dilute sulphuric acid is added to granulated zinc?
What do you observe when a few pieces of iron are dropped in a blue solution of copper sulphate?
What do you observe when silver nitrate is added to a solution of sodium chloride?
Write chemical equation for the event.
Electrolysis of alumina is done.
With reference to Water explain with suitable examples of how the reactivity of the metals could be differentiated.
With reference to Acid explain with a suitable example of how the reactivity of the metals could be differentiated.
Select the correct answer for the statement given below:
A neutral oxide which does not react with an acid or a base to give salt and water.
In preparation of Aqua regia hydrochloric acid and _______ acid are mixed.
Explain the following reaction with the balanced equation.
Sodium burns in air
Explain the following reaction with the balanced equation.
Reaction of aluminium with oxygen
Explain the following reaction with the balanced equation.
Sulphur burns in air
Which of the following is the correct arrangement of the given metals in ascending order of their reactivity?
Zinc, Iron, Magnesium, Sodium
Which among the following statements is incorrect for magnesium metal?
An element A reacts with water to form a compound B which is used in white washing. The compound B on heating forms an oxide C which on treatment with water gives back B. Identify A, B and C and give the reactions involved.
Of the three metals X, Y and Z. X reacts with cold water, Y with hot water and Z with steam only. Identify X, Y and Z and also arrange them in order of increasing reactivity.
An element A burns with golden flame in air. It reacts with another element B, atomic number 17 to give a product C. An aqueous solution of product C on electrolysis gives a compound D and liberates hydrogen. Identify A, B, C and D. Also write down the equations for the reactions involved.
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.
