1
KCET 2022
MCQ (Single Correct Answer)
+1
-0

A transition metal exists in its highest oxidation state. It is expected to behave as

A
a central metal in a coordination compound
B
an oxidising agent
C
a reducing agent
D
a chelating agent
2
KCET 2022
MCQ (Single Correct Answer)
+1
-0

What will be the value of $$x$$ in $$\mathrm{Fe}^{x+}$$, if the magnetic moment, $$\mu=\sqrt{24} \mathrm{~BM}$$ ?

A
+3
B
0
C
+1
D
+2
3
KCET 2022
MCQ (Single Correct Answer)
+1
-0

The only lanthanoid which is radioactive

A
cerium
B
promethium
C
praseodymium
D
lanthanum
4
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following does not represent property stated against it?

A
$$\mathrm{CO}^{2+}<\mathrm{Fe}^{2+}<\mathrm{Mn}^{2+}$$ - Ionic size
B
$$\mathrm{Ti}<\mathrm{V}<\mathrm{Mn}$$ - Number of oxidation states
C
$$\mathrm{Cr}^{2+}<\mathrm{Mn}^{2+}<\mathrm{Fe}^{2+}$$ - Paramagnetic behaviour
D
$$\mathrm{Sc}>\mathrm{Cr}>\mathrm{Fe}$$ - Density
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