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

Calculate $$\Delta \mathrm{H}$$ for following reaction, at $$25{ }^{\circ} \mathrm{C}$$.

$$\mathrm{NH}_2 \mathrm{CN}_{(\mathrm{g})}+\frac{3}{2} \mathrm{O}_{2(\mathrm{~g})} \longrightarrow \mathrm{N}_{2(\mathrm{~g})}+\mathrm{CO}_{2(\mathrm{~g})}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}$$

$$(\Delta \mathrm{U}=-740.5 \mathrm{~kJ}, \mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1})$$

A
$$-708.4 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
B
$$-789.4 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
C
$$-741.7 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
D
$$-863.9 \mathrm{~kJ} \mathrm{~mol}^{-1}$$
2
MHT CET 2023 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify false statement regarding isothermal process from following.

A
System can exchange heat energy with the surrounding.
B
Enthalpy of system remains constant.
C
Temperature of systems remains constant
D
Internal energy of system remint constant
3
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two moles of an ideal gas expand freely and isothermally from $$5 \mathrm{~dm}^3$$ to $$50 \mathrm{~dm}^3$$. What is the value of $$\Delta H$$ ?

A
Zero kJ
B
$$20 \mathrm{~kJ}$$
C
$$100 \mathrm{~kJ}$$
D
$$150 \mathrm{~kJ}$$
4
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is intensive and extensive properties respectively?

A
Boiling point and heat capacity
B
Heat capacity and boiling point
C
Internal energy and pressure
D
Heat capacity and surface tension
MHT CET Subjects
EXAM MAP