1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $\mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D}$ are four different elements with outer electronic configuration as $\mathrm{A}=4 \mathrm{~s}^2 4 \mathrm{p}^4, \mathrm{~B}=4 \mathrm{~s}^2 4 \mathrm{p}^5, \mathrm{C}=5 \mathrm{~s}^2 5 \mathrm{p}^4, \mathrm{D}=5 \mathrm{~s}^2 5 \mathrm{p}^5$.

Find the element having highest ionization enthalpy $\left(\Delta_1 \mathrm{H}_1\right)$

A
A
B
B
C
C
D
D
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the change in internal energy for $2 \mathrm{CO}_{(\mathrm{g})}+\mathrm{O}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{CO}_{2(\mathrm{~g})}$ at $25^{\circ} \mathrm{C}$ ?

( $\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}, \Delta \mathrm{H}=-560 \mathrm{~kJ}$ )

A
$\quad-557.5 \mathrm{~kJ}$
B
$\quad-530.0 \mathrm{~kJ}$
C
510.0 kJ
D
656.9 kJ
3
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the final pressure required to reduce the volume of a gas to one third, if initial pressure is $1.6 \times 10^5 \mathrm{Nm}^{-2}$.

A
$5.4 \times 10^5 \mathrm{Nm}^{-2}$
B
$1.6 \times 10^5 \mathrm{Nm}^{-2}$
C
$2.11 \times 10^5 \mathrm{Nm}^{-2}$
D
$4.8 \times 10^5 \mathrm{Nm}^{-2}$
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

If osmotic pressure of 0.2 M aqueous glucose solution is 5 atm at 300 K . Calculate the concentration of glucose solution having osmotic pressure 2.5 atm at same temperature.

A
0.1 M
B
0.05 M
C
0.75 M
D
0.25 M
EXAM MAP