1
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate $$\Delta \mathrm{G}^{\circ}$$ for the reaction $$\mathrm{Mg}_{(\mathrm{s})}+\mathrm{Sn}_{(\mathrm{aq})}^{++} \longrightarrow \mathrm{Mg}_{(\mathrm{aq})}^{++}+\mathrm{Sn}_{(\mathrm{s})}$$ if $$\mathrm{E}_{\text {cell }}^0$$ is $$2.23 \mathrm{~V}$$.

A
$$-430.4 \mathrm{~kJ}$$
B
$$215.2 \mathrm{~kJ}$$
C
$$645.6 \mathrm{~kJ}$$
D
$$-860.8 \mathrm{~kJ}$$
2
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Electrolytic cells containing $$\mathrm{Zn}$$ and $$\mathrm{Al}$$ salt solutions are connected in series. If $$6.5 \mathrm{~g}$$ of $$\mathrm{Zn}$$ is deposited in one cell calculate mass of $$\mathrm{Al}$$ deposited in second cell (molar mass : $$\mathrm{Zn}=65, \mathrm{Al}=27$$ ) by passing definite quantity of electricity?

A
2.4 g
B
2.1 g
C
2.7 g
D
1.8 g
3
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following is strongest reducing agent?

A
K
B
Al
C
Mg
D
Ag
4
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following sentences is NOT correct?

A
$$\Delta \mathrm{G}^{\circ}$$ is an extensive property.
B
$$\mathrm{E}_{\text {cell }}^{\circ}$$ is an intensive property.
C
Electrical work is equal to $$\mathrm{nFE}_{\text {cell }}$$.
D
For a chemical reaction to be spontaneous $$\mathrm{E}_{\text {cell }}^0$$ must be negative.
MHT CET Subjects
EXAM MAP