1
MHT CET 2026 16th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
What is the oxidation state of chromium in the final product when KI reacts with acidified potassium dichromate solution?
A
$+2$
B
$+3$
C
$+6$
D
$+4$
2
MHT CET 2026 16th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following series of transition elements has general electronic configuration, $[\text{Kr}]\,4d^{1-10}\,5s^{0-2}$?
A
3d series elements
B
4d series elements
C
5d series elements
D
6d series elements
3
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
$[\text{Ar}]\ 3d^6\ 4s^2$
4
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

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