JEE Main 2022 (Online) 25th June Evening Shift | Periodic Table & Periodicity Question 22 | Chemistry

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JEE Main 2022 (Online) 25th June Evening Shift

MCQ (Single Correct Answer)

-1

The correct order of electron gain enthalpies of Cl, F, Te and Po is

F < Cl < Te < Po

Po < Te < F < Cl

Te < Po < Cl < F

Cl < F < Te < Po

JEE Main 2021 (Online) 1st September Evening Shift

MCQ (Single Correct Answer)

-1

Identify the element for which electronic configuration in +3 oxidation state is [Ar]3d⁵ :

JEE Main 2021 (Online) 31st August Evening Shift

MCQ (Single Correct Answer)

-1

The Eu²⁺ ion is a strong reducing agent in spite of its ground state electronic configuration (outermost) : [Atomic number of Eu = 63]

4f⁷6s²

4f⁶

4f⁷

4f⁶6s²

JEE Main 2021 (Online) 31st August Evening Shift

MCQ (Single Correct Answer)

-1

Match List - I with List - II :

	List - I (Metal Ion)		List - II (Group of Qualitative analysis)
(a)	$$M{n^{2 + }}$$	(i)	Group - III
(b)	$$A{s^{3 + }}$$	(ii)	Group - IIA
(c)	$$C{u^{2 + }}$$	(iii)	Group - IV
(d)	$$A{l^{3 + }}$$	(iv)	Group - IIB

Choose the most appropriate answer from the options given below :

(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)

(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)

(a)-(i), (b)-(iv), (c)-(ii), (d)-(iii)

(a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)

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