MHT CET 2023 11th May Morning Shift | Electrochemistry Question 21 | Chemistry

The molar conductivity of $$0.02 \mathrm{~M} \mathrm{~AgI}$$ at $$298 \mathrm{~K}$$ is $$142.3 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$. What is its conductivity?

$$1.42 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$$

$$2.41 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$$

$$2.85 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$$

$$7.11 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$$

MHT CET 2023 11th May Morning Shift

MCQ (Single Correct Answer)

-0

Which among the following is CORRECT formula for determination of cell constant?

$$\frac{l}{\mathrm{a}}=\frac{\mathrm{k}}{\mathrm{R}}$$

$$\frac{l}{\mathrm{a}}=\mathrm{k} \cdot \mathrm{R}$$

$$\frac{l}{\mathrm{a}}=\frac{\mathrm{R}}{\mathrm{k}}$$

$$\frac{l}{\mathrm{a}}=\frac{1}{\mathrm{R}}$$

MHT CET 2023 10th May Evening Shift

MCQ (Single Correct Answer)

-0

What happens when solution of an electrolyte is diluted?

Both $$\wedge$$ and $$\mathrm{k}$$ increases

Both $$\wedge$$ and $$\mathrm{k}$$ decreases

$$\wedge$$ increases and $$\mathrm{k}$$ decreases

$$\wedge$$ decreases and $$\mathrm{k}$$ increases

MHT CET 2023 10th May Evening Shift

MCQ (Single Correct Answer)

-0

Calculate $$E_{\text {cell }}^{\circ}$$ in which following reaction occurs. $$\mathrm{Mg}_{(\mathrm{s})}+2 \mathrm{Ag}_{(\mathrm{IM})}^{+} \rightarrow \mathrm{Mg}_{(1 \mathrm{M})}^{+}+2 \mathrm{Ag}_{(\mathrm{s})}$$ if $$\mathrm{E}_{\mathrm{Ag}}^{\circ}=0.8 \mathrm{~V}$$ and $$\mathrm{E}_{\mathrm{Mg}}^{\circ}=-2.37 \mathrm{~V}$$

$$-3.17 \mathrm{~V}$$

$$3.17 \mathrm{~V}$$

$$-1.57 \mathrm{~V}$$

$$1.57 \mathrm{~V}$$

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