1
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
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Identify the incorrect statement.

A
$$\mathrm{PEt}_3$$ and $$\mathrm{AsPh}_3$$ as ligands can form $$\mathrm{d} \pi-\mathrm{d} \pi$$ bond with transition metals
B
The $$\mathrm{N}-\mathrm{N}$$ single bond is as strong as the $$\mathrm{P}-\mathrm{P}$$ single bond
C
Nitrogen has unique ability to form $$p \pi-p \pi$$ multiple bonds with nitrogen, carbon and oxygen
D
Nitrogen cannot form $$\mathrm{d} \pi-\mathrm{p} \pi$$ bond as other heavier elements of its group
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1

'Spin only' magnetic moment is same for which of the following ions?

A. $$\mathrm{Ti}^{3+}$$

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

C. $$\mathrm{Mn}^{2+}$$

D. $$\mathrm{Fe}^{2+}$$

E. $$\mathrm{Sc}^{3+}$$

Choose the most appropriate answer from the options given below.

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

The $$\mathrm{E}^{\circ}$$ value for the $$\mathrm{Mn}^{3+} / \mathrm{Mn}^{2+}$$ couple is more positive than that of $$\mathrm{Cr}^{3+} / \mathrm{Cr}^{2+}$$ or $$\mathrm{Fe}^{3+} / \mathrm{Fe}^{2+}$$ due to change of

A
$$d^5$$ to $$d^4$$ configuration
B
$$d^5$$ to $$d^2$$ configuration
C
$$d^4$$ to $$d^5$$ configuration
D
$$d^3$$ to $$d^5$$ configuration
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