How Do Metals React with Solution of Other Metal Salts

Q.

On the basis of the reactivity series of metals, predict how these metals will react with each of the following salt solutions:

Metals: magnesium, zinc, copper, iron, and potassium

Salt solutions: magnesium sulphate, zinc sulphate, copper sulphate, iron sulphate, and potassium sulphate

Q.

Give reasons for the following :

(a) Sodium and potassium are stored in kerosene.

(b) Copper cannot displace zinc from its salt solution (zinc sulphate solution).

Q. State whether the following statement is True or False.
Statement: A Metal (A) that is above in the reactivity series than a Metal (B), can displace Metal (B) from the salt solution (of Metal B).

1. True
2. False

Q.

Which of the following reactions will not occur ? Why not ?

$\left(a\right)\underset{\left(solution\right)}{Zincsulphate}+Copper\to \underset{\left(solution\right)}{Coppersulphate}+Zinc\left(b\right)\underset{\left(solution\right)}{Coppersulphate}+Iron\to \underset{\left(solution\right)}{Ironsulphate}+Copper$

Q.

Which of the following metals will not replace copper from its salt solution :-

1. Zn

2. Fe

3. Mg

4. Hg

Q.

What will be the product for the reaction given below?

KCl + Na $\Rightarrow$

1. NaCl

2. $K^{+}$ and ${Cl}^{-}$

3. ${Na}^{+}$ and ${Cl}^{-}$

4. No reaction

Q.

Write reactions for a metal undergoing:
(i) Reaction with Oxygen
(ii) Reaction with Water
(iii) Reaction with Acids
(iv) Displacement Reactions
Explain the concept behind the displacement reactions.​ [5 MARKS]

Q.

A Metal (A) that is higher in the reactivity series than a Metal (B), can displace Metal (B) from the salt solution of Metal (B).

1. True

2. False

Q. Find out more reactive metals and less reactive metals?

Q.

What is the deciding factor for single displacement reaction?

1. Transition metal list

2. Halogen series list

3. Reactivity series

4. Formative series

Q. Which of the following metals should be chosen to react with $CuS{O}_4$ solution to change its colour?

1. Copper (Cu)
2. Gold (Au)
3. Iron (Fe)
4. Lead (Pb)

Q.

When will the cation not form during electrolysis?

1. Hydrogen is higher in reactivity series

2. Hydrogen is lower in reactivity series

3. Hydrogen is not necessary in brine

4. Hydrogen is preferred due to its diatomic form

Q. State whether the following statement is True or False.
Statement: A Metal (A) that is higher in the reactivity series than a Metal (B), can displace Metal (B) from the salt solution of Metal (B).

1. True
2. False

Q.

A, B, C are three elements that undergo chemical reactions according to the following equations:

${\mathrm{A}}_2{\mathrm{O}}_3+2\mathrm{B}\to {\mathrm{B}}_2{\mathrm{O}}_3+2\mathrm{A}$

$3{\mathrm{CSO}}_4+2\mathrm{B}\to {\mathrm{B}}_2{\left({\mathrm{SO}}_4\right)}_3+3\mathrm{C}$

$3\mathrm{CO}+2\mathrm{A}\to {\mathrm{A}}_2{\mathrm{O}}_3+3\mathrm{C}$

Now answer the following questions:

Which element is most reactive?

Q.

Metal A + Salt solution of metal B $\to$ Salt solution of metal A + metal B
(Assume metal A is higher in the reactivity series than metal B).

1. True

2. False

Q. Iron is more reactive than copper. Write an activity to show this.

Q. Which non-metal is used to disinfect water?

Q. In the following reaction, identify the substance, ‘X’ from the given options.
$Fe+CuS{O}_4\to X+Cu$

1. $FeS{O}_4$
2. Fe-Cu
3. FeS
4. CuS

Q. Beaker A contains $CuS{O}_4$solution and zinc pieces. Beaker B contains $ZnS{O}_4$solution and copper pieces. Chemical reaction will take place in -

1. Beaker B
2. None of the beakers
3. Both the beakers A and B
4. Beaker A

Q. Can you store lemon pickle in an aluminium utensil? Explain.

Q. Consider the following statements
$\text{Statement-I :}$ Zinc is more reactive than iron.
$\text{Statement-II :}$ Aqueous solution of copper sulphate is blue in colour.
Now, choose the correct option.

1. Both the statements are incorrect
2. Only statement-II is correct
3. Both the statements are correct
4. Only statement-I is correct

Q. Select the correct statement about the rusting of iron.

1. It is a desirable change.
2. It is a natural change.
3. It is a reversible change.
4. It is a fast change.

Q. Metal A + Salt solution of metal B $\to$ Salt solution of metal A + metal B
(Assume metal A is higher in the reactivity series than metal B).

1. True
2. False

Q. In the following reaction, identify the products
$Cu+FeS{O}_4\to$

1. $X-FeS{O}_4;Y-CuS{O}_4$
2. $X-Fe;Y-Cu$
3. Reaction cannot happen
4. $X-Fe;Y-CuS{O}_4$

Q. In the given reaction, There is a metal A and metal B. Choose the correct options regarding the reactivities of A and B.
A+Salt of B $\to$ B + Salt of A

1. $M_A$ is more reactive than $M_B$
2. $M_B$ is more reactive than $M_A$
3. $M_A$ and $M_B$ are equally reactive
4. There is not enough information to determine which metal is more reactive