1
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

For a reaction $$\mathrm{A}+\mathrm{B} \rightarrow$$ products $$\Delta \mathrm{H}$$ is $$-84.2 \mathrm{~kJ}$$ and $$\Delta \mathrm{S}$$ is $$-200 \mathrm{~J} \mathrm{~K}^{-1}$$. Calculate the highest value of temperature so that the reaction will proceed in forward direction.

A
421 K
B
237 K
C
168 K
D
273 K
2
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following thermodynamic properties is a path function?

A
Internal energy
B
Work
C
Entropy
D
Enthalpy
3
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the PV type of work for the following reaction at 1 bar pressure.

$$\mathrm{\mathop {{C_3}{H_{6(g)}}}\limits_{(150\,mL)} + \mathop {HC{l_{(g)}}}\limits_{(150\,mL)} \buildrel {} \over \longrightarrow \mathop {{C_3}{H_7}C{l_{(g)}}}\limits_{(150\,mL)}}$$

A
5.2 J
B
10.21 J
C
15.00 J
D
18.2 J
4
MHT CET 2023 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If enthalpy change for following reaction at $$300 \mathrm{~K}$$ is $$+7 \mathrm{~kJ} \mathrm{~mol}^{-1}$$ find the entropy change of surrounding?

$$\mathrm{H}_2 \mathrm{O}_{(\mathrm{s})} \longrightarrow \mathrm{H}_2 \mathrm{O}_{(\ell)}$$

A
$$-42.8 \mathrm{~J} \mathrm{~K}^{-1}$$
B
$$-23.3 \mathrm{~J} \mathrm{~K}^{-1}$$
C
$$-30.7 \mathrm{~J} \mathrm{~K}^{-1}$$
D
$$-110.0 \mathrm{~J} \mathrm{~K}^{-1}$$
MHT CET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12