Question

3.
un and potassium with water
Samples of four metals A, B, C and D were take
following solution one by one.
as follows.
and D were taken and added to the
esults obtained have been tabulated
Silver nitra
Metal Iron(II) sulphate
Zinc sulphate
Copper(II) sulphate
Displacement
No reaction
Displacement
No reaction
No reaction
No reaction
No reaction
No reaction
No reaction
No reaction
Displacemen
No reaction
Use the Table above to answer the following questions about metals
A, B, C and D.
(1) Which is the most reactive metal?
(ii) What would you observe if B is added to a solution of Copper(II)
sulphate?
(iii) Arrange the metals A, B, C and D in the order of decreasing
reactivity.
1...241.. Ludhiri
dded towhat is the activity of metal ​

Answer 1

Answer:

I think so the answer is d,c,b,a

Answer 2

Answer:

Ans. (i) B is the most reactive metal

(ii)If B is added to a solution of copper (II) sulphate, displacement reaction will take place. Blue colour of copper sulphate will fade and red –brown copper will settle down.

(iii) The decreasing order of reactivity is:

B> A> C >D