Electrochemistry PYQs - Last 5 Years
VITEEE / Chemistry / Physical Chemistry / 9 recent questions
ChemistryPhysical Chemistry2021-2025
Practice 9 VITEEE Chemistry questions from Electrochemistry. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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Chemistry / Physical Chemistry
2021-2025
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9
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2021-2025
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2016-2025
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9 in last 5 years9 in last 10 years
Last 5 Years Electrochemistry Questions
Showing 9 of 9 filtered questions.
1Electrochemistry
How long should water be electrolysed using 50 A current to release enough $\mathrm{H}_2$ gas to completely reduce 8.0 g of CuO ?
$\left(\mathrm{CuO}+\mathrm{H}_2 \longrightarrow \mathrm{Cu}+\mathrm{H}_2 \mathrm{O}\right.$; Atomic mass of $...
$\left(\mathrm{CuO}+\mathrm{H}_2 \longrightarrow \mathrm{Cu}+\mathrm{H}_2 \mathrm{O}\right.$; Atomic mass of $...
MCQ+4 / -12025
2Electrochemistry
6.35 g of copper (Atomic mass $=635 \mathrm{u}$ ) is deposited at the cathode from a $\mathrm{Cu}^{2+}$ solution using a certain quantity of electric charge.
The volume of oxygen gas liberated at STP from water electrolysis using the same q...
The volume of oxygen gas liberated at STP from water electrolysis using the same q...
MCQ+4 / -12025
3Electrochemistry
4.5 g of aluminium (Atomic mass 27 amu ) is deposited at cathode from $\mathrm{Al}^{3+}$ solution by a certain quantity of electric charge. The volume of hydrogen produced at STP from $\mathrm{H}^{+}$ions in the solution by the same quantit...
MCQ+4 / -12024
4Electrochemistry
How long should water be electrolysed by passing through 100 amperes current so that oxygen released can completely burn 27.66 g of diborane? (Weight of $B=10.8 \mathrm{u}$ )
MCQ+4 / -12024
5Electrochemistry
Consider the following cell reaction.
$$\begin{aligned} & 2 \mathrm{Fe}(s)+\mathrm{O}_2(g)+4 \mathrm{H}^{+}(a q) \longrightarrow \\ & 2 \mathrm{Fe}^{2+}(a q)+2 \mathrm{H}_2 \mathrm{O}(l), E^{\circ}=1.67 \mathrm{~V} \\ \end{aligned}$$
At $$[...
$$\begin{aligned} & 2 \mathrm{Fe}(s)+\mathrm{O}_2(g)+4 \mathrm{H}^{+}(a q) \longrightarrow \\ & 2 \mathrm{Fe}^{2+}(a q)+2 \mathrm{H}_2 \mathrm{O}(l), E^{\circ}=1.67 \mathrm{~V} \\ \end{aligned}$$
At $$[...
MCQ+4 / -12023
6Electrochemistry
The ionic conductance of following cation in a given concentration are in the order.
MCQ+4 / -12023
7Electrochemistry
An electrochemical cell has two half cell reactions as,
$$\begin{aligned} A^{2+}+2 e^{-} & \longrightarrow A ; E_{A^{2+} / A}^0=0.34 \mathrm{~V} \\ X & \longrightarrow X^{2+}+2 e^{-} ; E_{X^{2+} / X}^0=-2.37 \mathrm{~V} \end{aligned}$$
The ...
$$\begin{aligned} A^{2+}+2 e^{-} & \longrightarrow A ; E_{A^{2+} / A}^0=0.34 \mathrm{~V} \\ X & \longrightarrow X^{2+}+2 e^{-} ; E_{X^{2+} / X}^0=-2.37 \mathrm{~V} \end{aligned}$$
The ...
MCQ+4 / -12021
8Electrochemistry
When an electrolytic solution conducts electricity, the current is carried by
MCQ+4 / -12021
9Electrochemistry
Electrolysis of an aqueous solution of sodium ethanoate gives
MCQ+4 / -12021