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

Match the following.

I. $\mathrm{Zn}^{2+}\quad$ (i) $d^8$ configuration

II. $\mathrm{Cu}^{2+}\quad$ (ii) Colourless

III. $\mathrm{Ni}^{2+}\quad$ (iii) $\mu=1.73 \mathrm{BM}$

A
I II II
(i) (ii) (iii)
B
I II II
(ii) (iii) (i)
C
I II II
(ii) (i) (iii)
D
I II II
(i) (iii) (ii)
2
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.
3
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
$$\mathrm{Ti}>\mathrm{V}$$
4
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
KCET Subjects
EXAM MAP