MHT CET 2021 20th September Evening Shift | Electrochemistry Question 151 | Chemistry

What is the molar conductivity of $$0.05 \mathrm{M}$$ solution of sodium hydroxide, if it's conductivity is $$0.0118 \mathrm{~S} \mathrm{~cm}^{-1}$$ at $$298 \mathrm{~K}$$ ?

$$236 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$

$$423 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$

$$354 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$

$$590 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$

MHT CET 2021 20th September Evening Shift

MCQ (Single Correct Answer)

-0

How many faraday of electricity is required to produce 10 g of calcium metal (molar mass = 40 g mol$$^{-1}$$) from calcium ions?

1.5 F

2.0 F

0.50 F

1.0 F

MHT CET 2021 20th September Morning Shift

MCQ (Single Correct Answer)

-0

The molar conductivity of 0.1 M BaCl$$_2$$ solution is 106 $$\Omega^{-1}$$ cm$$^2$$ mol$$^{-1}$$ at 25$$^\circ$$C. What is it's conductivity?

1.06 $$\times$$ 10$$^{-2}$$ $$\Omega^{-1}$$ cm$$^{-1}$$

5.3 $$\times$$ 10$$^{-3}$$ $$\Omega^{-1}$$ cm$$^{-1}$$

3.66 $$\times$$ 10$$^{-3}$$ $$\Omega^{-1}$$ cm$$^{-1}$$

2.6 $$\times$$ 10$$^{-2}$$ $$\Omega^{-1}$$ cm$$^{-1}$$

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