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1
JEE Main 2022 (Online) 28th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List - I with List - II :

List-I (Oxide) List-II (Nature)
(A) $$C{l_2}{O_7}$$ (I) Amphoteric
(B) $$N{a_2}O$$ (II) Basic
(C) $$A{l_2}{O_3}$$ (III) Neutral
(D) $${N_2}O$$ (IV) Acidic

Choose the correct answer from the options given below :

A
(A) - (IV), (B) - (III), (C) - (I), (D) - (II)
B
(A) - (IV), (B) - (II), (C) - (I), (D) - (III)
C
(A) - (II), (B) - (IV), (C) - (III), (D) - (I)
D
(A) - (I), (B) - (II), (C) - (III), (D) - (IV)
2
JEE Main 2022 (Online) 28th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Among the following, basic oxide is :

A
SO3
B
SiO2
C
CaO
D
Al2O3
3
JEE Main 2022 (Online) 28th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Element "E" belongs to the period 4 and group 16 of the periodic table. The valence shell electron configuration of the element, which is just above "E" in the group is

A
3s2, 3p4
B
3d10, 4s2, 4p4
C
4d10, 5s2, 5p4
D
2s2, 2p4
4
JEE Main 2022 (Online) 27th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct order of increasing ionic radii is

A
Mg2+ < Na+ < F$$-$$ < O2$$-$$ < N3$$-$$
B
N3$$-$$ < O2$$-$$ < F$$-$$ < Na+ < Mg2+
C
F$$-$$ < Na+ < O2$$-$$ < Mg2+ < N3$$-$$
D
Na+ < F$$-$$ < Mg2+ < O2$$-$$ < N3$$-$$
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