1
MHT CET 2026 18th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which from following pair of elements in their respective oxidation states have same number of unpaired electrons ?
A
$\text{Fe}^{2+}$ and $\text{Mn}^{2+}$
B
$\text{Co}^{2+}$ and $\text{Ni}^{2+}$
C
$\text{Fe}^{2+}$ and $\text{Cr}^{2+}$
D
$\text{Co}^{2+}$ and $\text{Fe}^{2+}$
2
MHT CET 2026 18th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which lanthanoid from following exhibits $f^{14}$ configuration in +3 state?
A
Tm
B
Lu
C
Ce
D
Dy
3
MHT CET 2026 18th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which actinoid from following has smallest ionic size in $+3$ state?
A
Pa
B
Cm
C
Fm
D
Lr
4
MHT CET 2026 18th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
What is the total number of transition series of d-block elements?
A
$3$
B
$4$
C
$10$
D
$12$

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