1
MHT CET 2025 20th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following formulae is used to obtain value of $\mathrm{E}_{\text {cell }}^r$ for a reaction taking place in Dry cell?

A
$\frac{-\Delta \mathrm{G}^{\circ}}{\mathrm{F}}$
B
$\frac{-\Delta G^{\circ}}{2 F}$
C
$\frac{-\Delta \mathrm{G}^{\circ}}{3 \mathrm{~F}}$
D
$\frac{-\Delta G^{\circ}}{4 F}$
2
MHT CET 2025 20th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following solutions exhibits highest freezing point depression?

A
0.1 m NaCl
B
$\quad 0.05 \mathrm{~m} \mathrm{MgSO}_4$
C
$1 \mathrm{~m} \mathrm{AlPO}_4$
D
$0.05 \mathrm{~m} \mathrm{Al}_2\left(\mathrm{SO}_4\right)_3$
3
MHT CET 2025 20th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the energy associated with third orbit of $\mathrm{He}^{+}$.

A
$-4.8 \times 10^{-19} \mathrm{~J}$
B
$-1.45 \times 10^{-19} \mathrm{~J}$
C
$-19.36 \times 10^{-19} \mathrm{~J}$
D
$-9.69 \times 10^{-19} \mathrm{~J}$
4
MHT CET 2025 20th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the pH of buffer solution formed by mixing 0.01 M acetic acid and 0.05 M sodium acetate? $\left(\mathrm{pK}_{\mathrm{a}}=4.7447\right)$

A
$\quad 2.80$
B
3.00
C
5.44
D
6.5

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