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
Identify the factor responsible for colour of transition metal compounds.
A
d-d transitions
B
s-p mixing
C
Ionisation
D
Shielding effect
3
MHT CET 2026 15th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following elements has completely filled 4 f orbital at the expected ground state configuration?
A
$\text{La}$
B
$\text{Yb}$
C
$\text{Eu}$
D
$\text{Gd}$
4
MHT CET 2026 15th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following elements in +3 oxidation state forms colourless compounds?
A
$\text{Sc}$
B
$\text{Ni}$
C
$\text{Cr}$
D
$\text{V}$

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