1
JEE Main 2021 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
JEE Main 2021 (Online) 20th July Morning Shift Chemistry - Basics of Organic Chemistry Question 54 English
Among the given species the Resonance stabilised carbocations are :
A
(C) and (D) only
B
(A), (B) and (D) only
C
(A) and (B) only
D
(A), (B) and (C) only
2
JEE Main 2021 (Online) 18th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
In the following molecule,

JEE Main 2021 (Online) 18th March Evening Shift Chemistry - Basics of Organic Chemistry Question 56 English
Hybridisation of Carbon a, b, and c respectively are :
A
sp3, sp2, sp2
B
sp3, sp, sp2
C
sp3, sp2, sp
D
sp3, sp, sp
3
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.
4
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
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