1
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The resistance of decimolar solution of NaCl is 30 ohms. Calculate the conductivity of solution if the cell constant is $0.33 \mathrm{~cm}^{-1}$.

A
$0.025 \Omega^{-1} \mathrm{~cm}^{-1}$
B
$0.035 \Omega^{-1} \mathrm{~cm}^{-1}$
C
$0.011 \Omega^{-1} \mathrm{~cm}^{-1}$
D
$0.029 \Omega^{-1} \mathrm{~cm}^{-1}$
2
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A conductivity cell containing $$0.001 \mathrm{~M} \mathrm{~AgNO}_3$$ solution develops resistance $$6530 \mathrm{ohm}$$ at $$25^{\circ} \mathrm{C}$$. Calculate the electrical conductivity of solution at same temperature if the cell constant is $$0.653 \mathrm{~cm}^{-1}$$.

A
$$1.3 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}$$
B
$$1.5 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}$$
C
$$1.7 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}$$
D
$$1.0 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}$$
3
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate $$\mathrm{E}_{\text {cell }}^0$$ for $$\mathrm{Cd}_{(\mathrm{s})}\left|\mathrm{Cd}_{(\mathrm{1M})}^{++}\right|\left|\mathrm{Ag}_{(\mathrm{1M})}^{+}\right| \mathrm{Ag}_{(\mathrm{s})}$$.

$$\left[\mathrm{E}_{\mathrm{Cd}}^0=-0.403 \mathrm{~V} ; \mathrm{E}_{\mathrm{Ag}}^0=0.799 \mathrm{~V}\right.\text {]}$$

A
$$1.202 \mathrm{~V}$$
B
$$-1.202 \mathrm{~V}$$
C
$$0.396 \mathrm{~V}$$
D
$$-0.396 \mathrm{~V}$$
4
MHT CET 2023 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following expressions is used to find the cell potential of $$\mathrm{Cd}_{(\mathrm{s})}\left|\mathrm{Cd}_{(\mathrm{aq})}^{++}\right|\left|\mathrm{Cu}_{(\mathrm{aq})}^{+}\right| \mathrm{Cu}_{(\mathrm{s})}$$ cell at $$25^{\circ} \mathrm{C}$$ ?

A
$$\mathrm{E}_{\text {cell }}=\mathrm{E}_{\text {cell }}^o-0.0296 \log \frac{\left[\mathrm{Cd}^{++}\right]}{\left[\mathrm{Cu}^{++}\right]}$$
B
$$\mathrm{E}_{\text {cell }}=\mathrm{E}_{\text {cell }}^o+0.0296 \log \frac{\left[\mathrm{Cd}^{++}\right]}{\left[\mathrm{Cu}^{++}\right]}$$
C
$$\mathrm{E}_{\text {cell }}=\mathrm{E}_{\text {cell }}^o-0.0592 \log \frac{\left[\mathrm{Cu}^{++}\right]}{\left[\mathrm{Cd}^{++}\right]}$$
D
$$\mathrm{E}_{\text {cell }}=\mathrm{E}_{\text {cell }}^{\circ}+0.0592 \log \frac{\left[\mathrm{Cu}^{++}\right]}{\left[\mathrm{Cd}^{++}\right]}$$
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