1
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Amongst the following, the linear species is :
A
O3
B
Cl2O
C
N$$_3^ - $$
D
NO2
2
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct pair(s) of the ambident nucleophiles is(are)

(A) AgCN/KCN

(B) RCOOAg/RCOOK

(C) AgNO2/KNO2

(D) AgI/KI
A
(B) and (C) only
B
(B) only
C
(A) and (C) only
D
(A) only
3
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Given below are two statements :

Statement I : 2-methylbutane on oxidation with KMnO4 gives 2-methylbutan-2-ol.

Statement II : n-alkanes can be easily oxidised to corresponding alcohols with KMnO4.

Choose the correct option :
A
Both statement I and statement II are incorrect
B
Both statement I and statement II are correct
C
Statement I is correct but statement II is incorrect
D
Statement I is incorrect but statement II is correct
4
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Match List - I with List - II :

List - I List - II
(a) Haematite (i) $$A{l_2}{O_3}\,.\,x{H_2}O$$
(b) Bauxite (ii) $$F{e_2}{O_3}$$
(c) Magnetite (iii) $$CuC{O_3}\,.\,Cu{(OH)_2}$$
(d) Malachite (iv) $$F{e_3}{O_4}$$


Choose the correct answer from the options given below :
A
(a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
B
(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
C
(a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
D
(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
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