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

Given below are two statements :

Statement I : The pentavalent oxide of group-15 element, E2O5, is less acidic than trivalent oxide, E2O3, of the same element.

Statement II : The acidic character of trivalent oxide of group 15 elements, E2O3, decreases down the group.

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

A
Both Statement I and Statement II are true.
B
Both Statement I and Statement II are false.
C
Statement I is true, but Statement II is false.
D
Statement I is false, but Statement II is true.
2
JEE Main 2022 (Online) 27th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

The gas produced by treating an aqueous solution of ammonium chloride with sodium nitrite is :

A
NH3
B
N2
C
N2O
D
Cl2
3
JEE Main 2022 (Online) 27th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A : Fluorine forms one oxoacid.

Reason R : Fluorine has smallest size amongst all halogens and is highly electronegative.

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

A
Both A and R are correct and R is the correct explanation of A.
B
Both A and R are correct but R is NOT the correct explanation of A.
C
A is correct but R is not correct.
D
A is not correct but R is correct.
4
JEE Main 2022 (Online) 27th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Match List - I with List - II.

List - I
(Si-Compounds)
List - II
(Si-Polymeric/Other Products
(A) $${(C{H_3})_4}Si$$ (I) Chain Silicone
(B) $$(C{H_3})Si{(OH)_3}$$ (II) Dimeric Silicone
(C) $${(C{H_3})_2}Si{(OH)_2}$$ (III) Silane
(D) $${(C{H_3})_3}Si(OH)$$ (IV) 2D - Silicone

Choose the correct answer from the options given below :

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

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