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1
MHT CET 2025 25th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following elements contains maximum number of unpaired electrons?

A
Fluorine
B
Sodium
C
Nitrogen
D
Oxygen
2
MHT CET 2025 25th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following d-orbitals has different shape as compared with others?

A
$\mathrm{d}_{x y}$
B
$\mathrm{d}_{y z}$
C
$\mathrm{d}_{x z}$
D
$\mathrm{d}_{z^2}$
3
MHT CET 2025 23rd April Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { What is the number of node in } 2 \mathrm{~s} \text { orbital? } $$

A
0
B
1
C
2
D
3
4
MHT CET 2025 23rd April Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the numerical value of angular momentum for an electron in first orbit of hydrogen atom? ( $\mathrm{h}=6.626 \times 10^{-34} \mathrm{Js}$ )

A
$1.05 \times 10^{-34}$.
B
$2.10 \times 10^{-34}$
C
$3.16 \times 10^{-34}$
D
$4.22 \times 10^{-34}$
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