1
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
$$-290.8 \mathrm{~kJ}$$
2
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
3
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the gas produced due to reduction of $$\mathrm{NH}_4^{+}$$ ions at cathode during working of dry cell.

A
Ammonia
B
Hydrogen
C
Hydrogen chloride
D
Chlorine
4
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following statements is true for Galvanic cell?

A
The anode is negative and cathode is positive.
B
Electrical energy is converted into chemical energy.
C
The anode is positive and cathode is negative.
D
Oxidation takes place at positive electrode and reduction takes place at negative electrode.
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