1
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.33
Change Language
The molecule/molecules that has/have delocalised lone pair(s) of electrons is/are

WB JEE 2019 Chemistry - General Organic Chemistry Question 14 English
A
I, II and III
B
I, II and IV
C
I and II
D
Only III
2
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
Among Me3N, C5H5N and MeCN (Me = methyl group) the electronegativity of N is in the order
A
MeCN > C5H5N > Me3N
B
C5H5N > Me3N > MeCN
C
Me3N > MeCN > C5H5N
D
Electronegativity same in all
3
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
The correct order of acid strengths of benzoic acid (X), peroxybenzoic acid (Y) and p-nitrobenzoic acid (Z) is
A
Y > Z > X
B
Z > Y > X
C
Z > X > Y
D
Y > X > Z
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