Question 1 :
KCl can be used in salt bridge as electrolyte in which of the following cells?

Question 4 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p class="wysiwyg-text-align-left">The EMF of a galvanic cell is determined by using a:</p>

Question 5 :
In the silver plating of copper, K[Ag(CN)$_{2}$] is used instead of AgNO$_{3}$. The reason is:

Question 6 :
Among $Na, Hg, S, Pt$ and graphite, which can be used as electrodes in electrolytic cells having aqueous solutions?

Question 7 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p class="wysiwyg-text-align-left">In a galvanic cell, the reactions taking place in the anodic half cell and the cathodic half cell will be:</p>

Question 8 :
<p class="wysiwyg-text-align-left"><span class="wysiwyg-font-size-small">$ Cu(S) + 2Ag^{+}(aq) \rightarrow Cu^{2+}(aq)+2Ag(S) $</span></p><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p class="wysiwyg-text-align-left">In the given reaction, the reduction half cell reaction is:</p>

Question 10 :
In a cell, the following reaction takes place: $Fe + CuSO_{4} \rightarrow FeSO_{4} + Cu$. The cell can be represented as:

Question 12 :
Which of the following statements is not applicable to electrolytic conductors?

Question 13 :
Assertion: The transfer of electrons from zinc to copper takes place through metal wire connecting the two rods. Reason: Electricity from solution in one beaker to other flows by migration of ions through the salt bridge.

Question 14 :
$E$ value for the cell reaction $Cu|{ Cu }^{ 2+ }\left( 0.001M \right) ||{ Cu }^{ 2+ }\left( 0.1m \right) |Cu$

Question 15 :
<p class="wysiwyg-text-align-left"><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">The reaction $ \frac{1}{2}\times H_{2}(g) + AgCl(aq) \rightarrow H^{+}(aq) + Ag(s)$</span></span></p><span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"></span></span><p> can be represented in the galvanic cell as:</p>

Question 17 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small">Which of the following cells can be used to experimentally determine the reduction potential of Zinc?</span></span>

Question 18 :
Given that the standard reduction potentials for ${ { M }^{ + } }/{ M }$ and ${ { N }^{ + } }/{ N }$ electrodes at $298 K$ are $0.52 V$ and $0.25 V$ respectively. Which of the following is correct in respect of the following electrochemical cell?<br>$M | { M }^{ + } || { N }^{ + } | N$

Question 19 :
A steady current of $10.0$ Amps is passed through a nickel production cell of $15$ minutes.<br>Which of the following is the correct expression for calculating the number of grams of nickel produced?<br>Note:<br>$\bullet 1\ faraday = 96,500\ Coulombs$<br>$\bullet$ The electroytic cell involves the following half-reaction:<br>$Ni_{(aq)}^{2+} + 2e^{-} \rightarrow Ni_{(s)}$<br>

Question 20 :
Saturated solution of $KNO_3$ is used to make ' salt-bridge' because:

Question 21 :
A reaction:<div><br/>$\displaystyle \dfrac{1}{2}H_2(g)\, +\, AgCl(s)\, \rightleftharpoons\, H^{\oplus}(aq)\, +\, Cl^{\ominus} (aq)\, +\, Ag(s)$ occurs in a galvanic cell. </div><br/><div>The structure of the cell will be:</div>