1
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the conductivity of $$0.05 ~\mathrm{M} ~\mathrm{BaCl}_2$$ solution if its molar conductivity is $$220 ~\Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$ ?

A
$$0.011 ~\Omega^{-1} \mathrm{~cm}^{-1}$$
B
$$0.022~\Omega^{-1} \mathrm{~cm}^{-1}$$
C
$$0.033 ~\Omega^{-1} \mathrm{~cm}^{-1}$$
D
$$0.044~\Omega^{-1} \mathrm{~cm}^{-1}$$
2
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A reaction, $$\mathrm{Ni}_{(\mathrm{s})}+\mathrm{Cu}_{(\mathrm{(M)})}^{+} \rightarrow \mathrm{Ni}_{(\mathrm{IM})}^{+}+\mathrm{Cu}_{(\mathrm{s})}$$ occurs in a cell. Calculate $$\mathrm{E}_{\text {cell }}^{\circ}$$ if $$\mathrm{E}_{\mathrm{Cu}}^{\circ}=0.337 \mathrm{~V}$$ and $$\mathrm{E}_{\mathrm{Ni}}^{\circ}=-0.257 \mathrm{~V}$$

A
$$0.594 \mathrm{~V}$$
B
$$-0.594 \mathrm{~V}$$
C
$$-0.08 \mathrm{~V}$$
D
$$0.08 \mathrm{~V}$$
3
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate $$\Delta \mathrm{G}^{\circ}$$ for the cell:

$$\mathrm{Sn}_{(\mathrm{s})}\left|\mathrm{Sn}_{(\mathrm{1M})}^{+}\right|\left|\mathrm{Ag}_{(\mathrm{1M})}^{+}\right| \mathrm{Ag}_{(\mathrm{s})}$$ at $$25^{\circ} \mathrm{C}\left(\mathrm{E}_{\text {cell }}^{\circ}=0.90 \mathrm{~V}\right)$$

A
$$-173.7 \mathrm{~kJ}$$
B
$$-225.3 \mathrm{~kJ}$$
C
$$-100.2 \mathrm{~kJ}$$
D
$$-290.8 \mathrm{~kJ}$$
4
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate current in ampere required to deposit $$4.8 \mathrm{~g} ~\mathrm{Cu}$$ from it's salt solution in 30 minutes. [Molar mass of $$\mathrm{Cu}=63.5 \mathrm{~g} \mathrm{~mol}^{-1}$$ ]

A
8.1 ampere
B
6.4 ampere
C
10.5 ampere
D
12.3 ampere
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