1
KCET 2024
MCQ (Single Correct Answer)
+1
-0

Which of the following statements related to lanthanoids is incorrect?

A
Lanthanoids are silvery white soft metals.
B
Samarium shows +2 oxidation state.
C
$\mathrm{Ce}^{+4}$ solutions are widely used as oxidising agents in titrimetric analysis.
D
Colour of lanthanoid ion in solution is due to $d-d$ transition.
2
KCET 2023
MCQ (Single Correct Answer)
+1
-0

Which of the following is correct with respect to melting point of a transition element?

A
$$\mathrm{V}>\mathrm{Cr}$$
B
$$\mathrm{Cr}>\mathrm{Mn}$$
C
$$\mathrm{Mn}>\mathrm{Fe}$$
D
$$\mathrm{Ti}>\mathrm{V}$$
3
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
4
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
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