1
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following elements in their respective oxidation states does not develop spin only magnetic moment? [$$\mathrm{Ti}(\mathrm{Z}=22), \mathrm{Zn}(\mathrm{Z}=30), \mathrm{V}(\mathrm{Z}=23), \mathrm{Cu}(\mathrm{Z}=29)$$]

A
$$\mathrm{Cu}^{2+}$$
B
$$\mathrm{Zn}^{2+}$$
C
$$\mathrm{Ti}^{3+}$$
D
$$\mathrm{V}^{3+}$$
2
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify ferromagnetic element from following.

A
Iron
B
Vanadium
C
Chromium
D
Manganese
3
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which element from following lanthanoids has half-filled $$\mathrm{f}$$- orbital in observed and expected electronic configuration?

A
Eu
B
Sm
C
Ce
D
Pm
4
MHT CET 2021 22th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which element from following exhibits various different oxidation states from +2 to +7?

A
Mn
B
Cr
C
V
D
Ni
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