JEE Main 2024 (Online) 30th January Morning Shift | Periodic Table & Periodicity Question 19 | Chemistry

	List I Species		List II Electronic distribution
(A)	$$\mathrm{Cr^{+2}}$$	(I)	$$\mathrm{3d^8}$$
(B)	$$\mathrm{Mn^+}$$	(II)	$$\mathrm{3d^34s^1}$$
(C)	$$\mathrm{Ni^{+2}}$$	(III)	$$\mathrm{3d^4}$$
(D)	$$\mathrm{V^+}$$	(IV)	$$\mathrm{3d^54s^1}$$

Choose the correct answer from the options given below :

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

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

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

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

JEE Main 2024 (Online) 29th January Evening Shift

MCQ (Single Correct Answer)

-1

Given below are two statements:

Statement I : Fluorine has most negative electron gain enthalpy in its group.

Statement II : Oxygen has least negative electron gain enthalpy in its group.

In the light of the above statements, choose the most appropriate from the options given below

Both Statement I and Statement II are true

Both Statement I and Statement II are false

Statement I is false but Statement II is true

Statement I is true but Statement II is false

JEE Main 2024 (Online) 29th January Evening Shift

MCQ (Single Correct Answer)

-1

The element having the highest first ionization enthalpy is

$$\mathrm{C}$$

$$\mathrm{Al}$$

$$\mathrm{Si}$$

$$\mathrm{N}$$

JEE Main 2024 (Online) 29th January Evening Shift

MCQ (Single Correct Answer)

-1

Anomalous behavior of oxygen is due to its

large size and low electronegativity

small size and high electronegativity

small size and low electronegativity

large size and high electronegativity

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