1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Which of the following pairs of ions will have same spin only magnetic moment values within the pair?

A. $$\mathrm{Zn}^{2+}, \mathrm{Ti}^{2+}$$

B. $$\mathrm{Cr}^{2+}, \mathrm{Fe}^{2+}$$

C. $$\mathrm{Ti}^{3+}, \mathrm{Cu}^{2+}$$

D. $$\mathrm{V}^{2+}, \mathrm{Cu}^{+}$$

Choose the correct answer from the options given below :

A
C and D only
B
A and D only
C
A and B only
D
B and C only
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Which of the following set of ions act as oxidising agents?

A
$$\mathrm{Ce}^{4+}$$ and $$\mathrm{Tb}^{4+}$$
B
$$\mathrm{La}^{3+}$$ and $$\mathrm{Lu}^{3+}$$
C
$$\mathrm{Eu}^{2+}$$ and $$\mathrm{Yb}^{2+}$$
D
$$\mathrm{Eu}^{2+}$$ and $$\mathrm{Tb}^{4+}$$
3
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

The UV-visible absorption bands in the spectra of lanthanoid ions are 'X', probably because of the excitation of electrons involving 'Y'. The 'X' and 'Y', respectively, are : Narrow and d and f orbitals

A
Broad and f orbitals
B
Narrow and f orbitals
C
Broad and d and f orbitals
D
Narrow and d and f orbitals
4
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Match List I with List II:

List - I
(Block/group in periodic table)
List - II
(Element)
(A) Lanthanoid (I) Ce
(B) d-block element (II) As
(C) p-block element (III) Cs
(D) s-block element (IV) Mn

Choose the correct answer from the options given below:

A
A-I, B-II, C-IV, D-III
B
A-I, B-IV, C-III, D-II
C
A-I, B-IV, C-II, D-III
D
A-IV, B-I, C-II, D-III
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