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1
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is effective atomic number of cobalt in [Co(NH$$_3$$)$$_6$$]$$^{3+}$$ if Co(Z = 27) ?

A
30
B
33
C
27
D
36
2
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is NOT a neutral ligand?

A
Thiocyanate
B
Ammine
C
Aqua
D
Carbon monoxide
3
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify homoleptic complex from following :

A
$$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right] \mathrm{Cl}_3$$
B
$$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]$$
C
$$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{Cl}\right] \mathrm{SO}_4$$
D
$$\left[\mathrm{Co}(\mathrm{ONO})\left(\mathrm{NH}_3\right)_5 \mathrm{Cl}_2\right]$$
4
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What type of hybridization is exhibited by [CoF$$_6$$]$$^{3-}$$ ?

A
sp$$^3$$
B
sp$$^3$$d$$^2$$
C
dsp$$^2$$
D
d$$^2$$sp$$^3$$
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