1
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the oxidation state of central metal ion in $\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}$ complex?

A
+2
B
$-$6
C
$-$4
D
+3
2
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following is a formula of sodium hexafluoroaluminate(III)?

A
$\mathrm{Na}_3\left[\mathrm{AlF}_6\right]$
B
$\mathrm{Na}\left[\mathrm{AlF}_6\right]$
C
$\mathrm{Na}_2\left[\mathrm{AlF}_6\right]^{2+}$
D
$\left[\mathrm{Al}(\mathrm{NaF})_6\right]^{2+}$
3
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following coordinate complexes is a heteroleptic complex?

A
Pentacarbonyliron(0)
B
Triamminetrinitrocobalt(III)
C
Tetraamminecopper(II) ion
D
Tetracyanonickelate(II) ion
4
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from the following statements about $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$ complex is NOT correct?

A
Prior to hybridization $\mathrm{Co}^{3+}$ possesses four unpaired electrons.
B
This complex has all electrons paired.
C
It is a high spin complex.
D
It is a diamagnetic complex.
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