MHT CET 2026 20th April Evening Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2026 20th April Evening Shift

MCQ (Single Correct Answer)

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If molar conductance at infinite dilution for $\text{CH}_3\text{COO}^-$ and $\text{H}^+$ ions are $50\ \text{S cm}^2\ \text{mol}^{-1}$ and $350\ \text{S cm}^2\ \text{mol}^{-1}$ respectively, molar conductivity of $5 \times 10^{-2}$ M $\text{CH}_3\text{COOH}$ is $20\ \text{S cm}^2\text{mol}^{-1}$. What is the hydrogen ion concentration in $\text{mol/dm}^3$ of $\text{CH}_3\text{COOH}$?

$5 \times 10^{-2}$

$5 \times 10^{-3}$

$2.5 \times 10^{-3}$

$2.5 \times 10^{-4}$

MHT CET 2026 20th April Evening Shift

MCQ (Single Correct Answer)

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Which of the following expressions indicates the correct relationship between molar conductivity of strong electrolyte and its concentration?

$\Lambda = \Lambda_0 + \sqrt{c}$

$\Lambda = \Lambda_0 - a\sqrt{c}$

$\Lambda = \Lambda_0 + a\sqrt{c}$

$\Lambda = \Lambda_0 - \sqrt{c}$

MHT CET 2026 20th April Evening Shift

MCQ (Single Correct Answer)

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What is the role of catalyst in reaction?

To increase activation energy of a reaction

To decrease the equilibrium constant of the reaction

To supply energy to the reactants

To decrease activation energy of a reaction

MHT CET 2026 20th April Evening Shift

MCQ (Single Correct Answer)

-0

Calculate the rate constant of first order reaction $\text{A} \rightarrow \text{B}$ having rate $5.4 \times 10^{-6}\ \text{mol dm}^{-3}\text{s}^{-1}$ and $[\text{A}] = 0.3$ M.

$1.52 \times 10^{-5}\ \text{s}^{-1}$

$1.68 \times 10^{-5}\ \text{s}^{-1}$

$1.72 \times 10^{-5}\ \text{s}^{-1}$

$1.80 \times 10^{-5}\ \text{s}^{-1}$

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