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

What is oxidation state of cobalt in a coordination complex if it's EAN is 36 and the value of C.N. is 6 (Given: Atomic number of cobalt = 27).

A
+4
B
+2
C
+1
D
+3
2
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is a correct order of increasing field strength of ligands?

A
$$\mathrm{I^-}<\mathrm{OH}^{-}<\mathrm{NH}_3<\mathrm{S}^{2-}$$
B
$$\mathrm{NH}_3<\mathrm{OH}^{-}<\mathrm{I}<\mathrm{S}^{2-}$$
C
$$\mathrm{OH}^{-}<\mathrm{S}^{2-}<\mathrm{\Gamma}<\mathrm{NH}_3$$
D
$$\mathrm{I}^{-}<\mathrm{S}^{2-}<\mathrm{OH}^{-}<\mathrm{NH}_3$$
3
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following cations will form lowest stability complex if the ligand remains the same?

A
$$\mathrm{Cu}^{2+}$$
B
$$\mathrm{Fe}^{2+}$$
C
$$\mathrm{Cd}^{2+}$$
D
$$\mathrm{Ni}^{2+}$$
4
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.
MHT CET Subjects
EXAM MAP