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Electrodes and Electrolyte

Aqueous solut...

Question

Aqueous solution of nickel sulphate contains $N i^{2 +}$ and $S O_{4}^{2 -}$ ions.
Which ion moves towards the cathode?

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Solution

$N i^{2 +}$ ions move towards the cathode.

As $N i^{2 +}$ ions are positively charged so they get attracted by cathode which is a negatively charged electrode.

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Similar questions

(a) Select the correct answer

The aqueous solution of the compound which contains both ions and molecules is

A. $H_{2} S O_{4}$

B. $H C l$

C. $H N O_{3}$

D. $C H_{3} C O O H$

(b) Correct the following statement ___.

Lead bromide conducts electricity.

(i) What kind of salt sodium argentocyanide ?

(ii) Why is it preferred to silver nitrate as an electrolyte ?

(iii) State one condition to ensure that the deposit is smooth, firm and long lasting.

(iv) Write the reaction taking place at the cathode.

(v) Write the reaction taking place at the anode.

(d) Aqueous solution of nickel sulphate contains $N i^{2 +}$ and $S O_{4}^{2 -}$ ions.

(i) Which ion moves towards the cathode ?

(ii) What is the product at the anode ?

Aqueous solution of nickel sulfate contains ${Ni}^{2 +}$ and ${SO}_{4}^{2 -}$ ions.

Which ion moves towards the cathode?

An aqueous solution of nickel sulfate contains $N i^{2 +} a n d S {O_{4}}^{2 -}$ ions. Which ion moves toward the cathode?

N i^{2 +}

S O_{4}^{2 -}

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