1
MHT CET 2021 24th September Evening Shift
+1
-0

What is the conductivity of 0.02 M HCl solution if molar conductivity of the solution at 25$$^\circ$$C is 412.3 $$\Omega^{-1}$$ cm$$^{-1}$$ mol$$^{-1}$$ ?

A
8.880 $$\times$$ 10$$^{-3}$$ $$\Omega^{-1}$$ cm$$^{-1}$$
B
8.414 $$\times$$ 10$$^{-3}$$ $$\Omega^{-1}$$ cm$$^{-1}$$
C
8.624 $$\times$$ 10$$^{-3}$$ $$\Omega^{-1}$$ cm$$^{-1}$$
D
8.246 $$\times$$ 10$$^{-3}$$ $$\Omega^{-1}$$ cm$$^{-1}$$
2
MHT CET 2021 24th September Evening Shift
+1
-0

What is the charge required for the reduction of moles of Cu$$^{2+}$$ to Cu?

A
$$2.89\times10^5$$ C
B
$$1.93\times10^5$$ C
C
$$9.65\times10^5$$ C
D
$$3.86\times10^5$$ C
3
MHT CET 2021 24th September Morning Shift
+1
-0

The resistance of $$0.2 \mathrm{M}$$ solution of an electrolyte is 30 ohm and conductivity is $$1.2 \mathrm{~S} \mathrm{~m}^{-1}$$. What is the value of cell constant?

A
$$0.47 \mathrm{~cm}^{-1}$$
B
$$0.1 \mathrm{~cm}^{-1}$$
C
$$0.36 \mathrm{~cm}^{-1}$$
D
$$0.2 \mathrm{~cm}^{-1}$$
4
MHT CET 2021 24th September Morning Shift
+1
-0

Which from the following is the correct relationship between standard Gibbs energy change and standard cell potential?

A
$$-\Delta \mathrm{G}^0=-\mathrm{nFE}_{\text {cell }}^0$$
B
$$\mathrm{\Delta G^{\circ}=\frac{E_{\text {cell }}^o}{n F}}$$
C
$$\mathrm{E_{\text {cell }}^o=\Delta G^{\circ} \times n F}$$
D
$$\Delta \mathrm{G}^{\mathrm{o}}=-\mathrm{nFE}_{\text {cell }}^{\mathrm{o}}$$
EXAM MAP
Medical
NEET