1
JEE Main 2021 (Online) 18th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Given below are two statements :

Statement I : C2H5OH and AgCN both can generate nucleophile.

Statement II : KCN and AgCN both will generate nitrile nucleophile with all reaction conditions.

Choose the most appropriate option :
A
Statement I is false but statement II is true.
B
Both statement I and statement II are true.
C
Both statement I and statement II are false.
D
Statement I is true but statement II is false.
2
JEE Main 2021 (Online) 18th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
A hard substance melts at high temperature and is an insulator in both solid and in molten state. This solid is most likely to be a/an :
A
Covalent solid
B
Molecular solid
C
Ionic solid
D
Metallic solid
3
JEE Main 2021 (Online) 18th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The oxide that shows magnetic property is :
A
MgO
B
SiO2
C
Mn3O4
D
Na2O
4
JEE Main 2021 (Online) 18th 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) Be (i) treatment of cancer
(b) Mg (ii) extraction of metals
(c) Ca (iii) incendiary bombs and signals
(d) Ra (iv) windows of X-ray tubes
(v) bearings for motor engines


Choose the most appropriate answer from the option given below :
A
(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
B
(a)-(iii), (b)-(iv), (c)-(v), (d)-(ii)
C
(a)-(iii), (b)-(iv), (c)-(ii), (d)-(v)
D
(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
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