1
MHT CET 2026 16th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
What is the observed electronic configuration of Cu ?
A
$[\text{Ar}]\ 3d^9\ 4s^2$
B
$[\text{Ar}]\ 3d^{10}\ 4s^1$
C
$[\text{Ar}]\ 3d^5\ 4s^2$
D
$[\text{Ar}]\ 3d^6\ 4s^2$
2
MHT CET 2026 16th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
What is the energy of an electron in a hydrogen atom in a stationary state corresponding to n = 2 ?
A
$-5.45 \times 10^{-19}$ J
B
$-2.40 \times 10^{-19}$ J
C
$-4.35 \times 10^{-18}$ J
D
$-6.70 \times 10^{-18}$ J
3
MHT CET 2026 16th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify increasing order of acidity for following diprotic acids in aqueous solutions.
A
$\text{H}_2\text{S} < \text{H}_2\text{Se} < \text{H}_2\text{Te}$
B
$\text{H}_2\text{Se} < \text{H}_2\text{S} < \text{H}_2\text{Te}$
C
$\text{H}_2\text{Te} < \text{H}_2\text{S} < \text{H}_2\text{Se}$
D
$\text{H}_2\text{Se} < \text{H}_2\text{Te} < \text{H}_2\text{S}$
4
MHT CET 2026 16th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following molecules is paramagnetic?
A
$\text{Li}_2$
B
$\text{N}_2$
C
$\text{O}_2$
D
$\text{F}_2$

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