Question

simple molecules
Read the following and answer any four question from (7.1) to (7.5):
Metal Iron(II) Sulphate Copper(ii) Sulphate ZincSulphate Silver Nitrate
А No reaction Displacement
B Displacement
No reaction
С No reaction No reaction
No reaction Displacement
D No reaction No reaction
No reaction
No reaction
7.1 The most active metal is
(a) A (b) B
(c)
(d) D
7.2 The least reactive metal is
(a) A (b) B
(c) C (d) D
7.3The increasing order of reactivity of metal A, B, C and Dis
(a) A<B<C<D
(b) D<C<B<A
(c) D< A<C<B
(d) D<C<A<B
7.4Container of which metal can be used to store both zinc sulphate solution and silver nitrate
solution?
(a) A (b) C
(C) B (d) D
7.5The metal which shows the displacement with iron (II) zulphate.
(a) A (b) C
(c) D
(d) B
Glucose
8. The image shows the flow diagram for​

Answer 1

Answer:

(i) B is the most reactive metal as it has displaced the most reactive metal amongst the solutions i.e Fe of FeSO  

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.

(ii) If B is added to CuSO  

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 solution than it will displace Cu because Fe is more reactive than Cu so the metal which can displace Fe can also displace Cu.

(iii) D < C < A < B.

(iv) Metal D can be used to make containers to store the solutions because it is the least reactive metal of all.

Explanation:

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