1
MHT CET 2019 2nd May Evening Shift
MCQ (More than One Correct Answer)
+1
-0

The correct representation of Nernst's equation for half-cell reaction $\mathrm{Cu}^{2+}(\mathrm{aq})+\mathrm{e}^{-} \longrightarrow \mathrm{Cu}^{+}(\mathrm{aq})$ is

A
$E_{\mathrm{Cu}^{+}}^{\circ}, \mathrm{Cu}^{2+}=E_{\mathrm{Cu}^{+}}^{\circ}, \mathrm{Cu}^{2+}-\frac{0.0592}{2} \log \frac{\left[\mathrm{Cu}^{+}\right]}{\left[\mathrm{Cu}^{2+}\right]}$
B
$E_{\mathrm{Cu}^{+}, \mathrm{Cu}^{2+}}=E_{\mathrm{Cu}^{+}, \mathrm{Cu}^{2+}}^{\circ}-\frac{0.0592}{1} \log \frac{\left[\mathrm{Cu}^{+}\right]}{\left[\mathrm{Cu}^{2+}\right]}$
C
$E_{\mathrm{Cu}^{+}, \mathrm{Cu}^{2+}}=E_{\mathrm{Cu}^{+}, \mathrm{Cu}^{2+}}-\frac{0.0592}{2} \log \frac{\left[\mathrm{Cu}^{+}\right]}{\left[\mathrm{Cu}^{2+}\right]}$
D
$E_{\mathrm{Cu}^{+}, \mathrm{Cu}^{2+}}=E_{\mathrm{Cu}^{+}}^{\circ} ; \mathrm{Cu}^{2+}-\frac{0.0592}{1} \log \frac{\left[\mathrm{Cu}^{+}\right]}{\left[\mathrm{Cu}^{2+}\right]}$
2
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is a neutral complex?

A
$\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_3$
B
$\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_6\right] \mathrm{Cl}_2$
C
$\left[\mathrm{Pt}\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}_2\right]$
D
$\mathrm{K}\left[\mathrm{Ag}(\mathrm{CN})_2\right]$
3
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the equation in which change in enthalpy is equal to change in internal energy

A
$2 \mathrm{H}_2 \mathrm{O}_2(\mathrm{I}) \longrightarrow 2 \mathrm{H}_2 \mathrm{O}(\mathrm{I})+\mathrm{O}_2(g)$
B
$\mathrm{C}(\mathrm{s})+\mathrm{O}_2(\mathrm{~g}) \longrightarrow \mathrm{CO}_2(\mathrm{~g})$
C
$\mathrm{PCl}_5(\mathrm{~g}) \longrightarrow \mathrm{PCl}_3(\mathrm{~g})+\mathrm{Cl}_2(\mathrm{~g})$
D
$\mathrm{N}_2(g)+3 \mathrm{H}_2(g) \longrightarrow 2 \mathrm{NH}_3(g)$
4
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Limestone is used as a flux in the extraction of

A
iron
B
aluminium
C
zinc
D
copper
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