MHT CET 2026 18th April Morning Shift | Electrochemistry Question 17 | Chemistry

For a certain redox reaction in galvanic cell $\text{X}_{(s)} + \text{Y}^{2+}_{(aq)} \longrightarrow \text{X}^{2+}_{(aq)} + \text{Y}_{(s)}$, $\text{E}^\circ$ cell is $0.0296\ \text{V}$ at $298\ \text{K}$. What is equilibrium constant of reaction?

$1$

$10$

$100$

$1000$

MHT CET 2026 18th April Morning Shift

MCQ (Single Correct Answer)

-0

Which of the following net cell reactions occurs in a galvanic cell containing cadmium electrode and standard hydrogen electrode?
$\text{E}^\circ_{(\text{Cd}^{2+}_{(aq)}|\text{Cd}_{(s)})} = -0.403\ \text{V}$.

$\text{H}_{2(g)} + \text{Cd}^{2+}_{(aq)} \longrightarrow 2\text{H}^+_{(aq)} + \text{Cd}_{(s)}$

$\text{Cd}_{(s)} + 2\text{H}^+_{(aq)} \longrightarrow \text{Cd}^{2+}_{(aq)} + \text{H}_{2(g)}$

$2\text{H}_{2(g)} + \text{Cd}^{2+}_{(aq)} \longrightarrow 4\text{H}^+_{(aq)} + \text{Cd}_{(s)}$

$2\text{Cd}_{(s)} + 2\text{H}^+_{(aq)} \longrightarrow 2\text{Cd}^{2+}_{(aq)} + \text{H}_{2(g)}$

MHT CET 2026 17th April Evening Shift

MCQ (Single Correct Answer)

-0

What is the change in oxidation number of Pb at positive electrode of lead accumulator acting as galvanic cell ?

increases by 1

decreases by 1

increases by 2

decreases by 2

MHT CET 2026 17th April Evening Shift

MCQ (Single Correct Answer)

-0

The graphical variation of molar conductivity $(\Lambda)$ against square root of molar concentration $(\sqrt{c})$ of certain electrolyte 'X' is linear with intercept on y axis. Identify X from following.

$\text{CH}_3\text{COOH}$

$\text{NH}_4\text{OH}$

$\text{HCOOH}$

$\text{CH}_3\text{COONa}$

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