1
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is an example of first order reaction?

A

$\mathrm{CH}_3 \mathrm{CHO}_{(\mathrm{g})} \longrightarrow \mathrm{CH}_{4(\mathrm{~g})}+\mathrm{CO}_{(\mathrm{g})}$

B

$2 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{F}_{2(\mathrm{~g})} \longrightarrow 2 \mathrm{NO}_2 \mathrm{~F}_{(\mathrm{g})}$

C

$2 \mathrm{NO}_{(\mathrm{g})}+2 \mathrm{H}_{2(\mathrm{~g})} \longrightarrow \mathrm{N}_{2(\mathrm{~g})}+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}$

D

$2 \mathrm{H}_2 \mathrm{O}_{2(l)} \longrightarrow 2 \mathrm{H}_2 \mathrm{O}_{(l)}+\mathrm{O}_{2(\mathrm{~g})}$

2
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the number of moles present in $1 \mathrm{~m}^3$ of any gas at STP?

A
32.4
B
54.6
C
44.6
D
28.2
3
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify from following compounds where valence shell of 'Xe' consists one lone pair of electrons.

A
$\mathrm{XeF}_2$
B
$\mathrm{XeF}_4$
C
$\mathrm{XeOF}_2$
D
$\mathrm{XeOF}_4$
4
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+2
-0

A fair coin is tossed 100 times. The chance of getting a head even number of times is

A
$\frac{1}{8}$
B
$\frac{3}{8}$
C
$\frac{1}{2}$
D
$\frac{3}{4}$
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