1
MHT CET 2026 11th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify the hybridization in central metal of $[\text{Fe}(\text{CO})_5]$ complex.
A
$dsp^3$
B
$sp^3 d^2$
C
$d^2 sp^3$
D
$sp^3$
2
MHT CET 2026 11th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
In a complex compound, central metal ion is
A
Arrhenius acid
B
Arrhenius base
C
Lewis acid
D
Lewis base
3
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following complexes contains anionic ligand?

A

Tetraamminecopper (II) ion

B

Pentaammineaquacobalt (III) iodide

C

Tetracyanonickelate (II) ion

D

Pentacarbonyliron(0)

4
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following complexes does $\mathrm{NO}_{\uparrow}$ obey EAN rule?

A

$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$

B

$\mathrm{Cr}(\mathrm{CO})_6$

C

$\left[\mathrm{Zn}\left(\mathrm{NH}_3\right)_4\right]^{2+}$

D

$\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right]^{2+}$

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