1
JEE Main 2021 (Online) 18th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
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 Morning Shift
MCQ (Single Correct Answer)
+4
-1
Compound with molecular formula C3H6O can show :
A
Positional isomerism
B
Both positional isomerism and metamerism
C
Metamerism
D
Functional group isomerism
3
JEE Main 2021 (Online) 17th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Which of the following is an aromatic compound?
A
JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Basics of Organic Chemistry Question 58 English Option 1
B
JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Basics of Organic Chemistry Question 58 English Option 2
C
JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Basics of Organic Chemistry Question 58 English Option 3
D
JEE Main 2021 (Online) 17th March Morning Shift Chemistry - Basics of Organic Chemistry Question 58 English Option 4
4
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Match List - I with List - II :

List - I
Test/Reagents/Observation(s)
List - II
Species detected
(a) Lassaigne's Test (i) Carbon
(b) Cu(II) oxide (ii) Sulphur
(c) Silver nitrate (iii) N, S, P, and halogen
(d) The sodium fusion extract
gives black precipitate with
acetic acid and lead acetate
(iv) Halogen Specifically


The correct match is :
A
(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
B
(a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)
C
(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
D
(a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
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