1
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among following statements is true about $$\mathrm{Na}_4\left[\mathrm{Fe}(\mathrm{CN})_6\right]$$ ?

A
The complex ion carries $$-$$4 charge.
B
It is a neutral complex.
C
The oxidation state of Fe in this complex is +6.
D
The C.N. of Fe in this complex is 10.
2
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is IUPAC name of $$[\mathrm{Co}(\mathrm{H}_2 \mathrm{O})(\mathrm{NH}_3)_5] \mathrm{I}_3$$ ?

A
Pentaammineaquacobalt (III) iodide
B
Pentaammineaquocobalt iodide
C
Monoaquapentaammine triiodo cobaltate
D
Pentaammineaquatriiodo cobaltate
3
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is effective atomic number of $$\mathrm{Pt}$$ in $$\left[\mathrm{Pt}\left(\mathrm{NH}_3\right)_4\right]^{2+}$$ ? (Given atomic number of $$\mathrm{Pt}=78$$)

A
76
B
84
C
72
D
86
4
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following complexes is diamagnetic and square planar?

A
$$\left[\mathrm{CoF}_6\right]^{3-}$$
B
$$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$$
C
$$\left[\mathrm{NiCl}_4\right]^{2-}$$
D
$$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$$
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