General Organic Chemistry · Chemistry · WB JEE

Start Practice

MCQ (Single Correct Answer)

1

The correct acidity order of phenol (I), 4-hydroxybenzaldehyde (II) and 3-hydroxybenzaldehyde (III) is

WB JEE 2024
2

WB JEE 2023 Chemistry - General Organic Chemistry Question 6 English

The correct order of C = O bond length in ethyl propanoate (I), ethyl propenoate (II) and ethenyl propanoate (III) is

WB JEE 2023
3

Select the molecule in which all the atoms may lie on a single plane is

WB JEE 2023
4

The correct stability order of the following carbocations is

(I) $$\mathrm{{H_2}\mathop C\limits^ \oplus - CH = CH - C{H_3}}$$

(II) $$\mathrm{\mathop C\limits^ \oplus {H_2} - CH = CH - BM{e_2}}$$

(III) $$\mathrm{{H_2}\mathop C\limits^ \oplus - CH = CH - NMe}$$

(IV) $$\mathrm{{H_2}\mathop C\limits^ \oplus - CH = CH - OMe}$$

WB JEE 2023
5

The correct order of boiling points of N-ethylethanamine (I), ethoxyethane (II) and butan-2-ol (III) is

WB JEE 2023
6

WB JEE 2023 Chemistry - General Organic Chemistry Question 5 English

The correct order of acidity of above compounds is

WB JEE 2023
7

The correct order of relative stability for the given free radicals is :

WB JEE 2022 Chemistry - General Organic Chemistry Question 8 English

WB JEE 2022
8

WB JEE 2022 Chemistry - General Organic Chemistry Question 7 English

Hybridisation of the negative carbons in (1) and (2) are

WB JEE 2022
9
The maximum number of atoms that can be in one plane in the molecule p-nitrobenzonitrile are
WB JEE 2021
10
p-nitro-N, N-dimethylaniline cannot be represented by the resonating structures.

WB JEE 2021 Chemistry - General Organic Chemistry Question 10 English
WB JEE 2021
11
Which structure has delocalised $$\pi$$-electrons?
WB JEE 2021
12
The correct order of acidity for the following compounds is :

WB JEE 2020 Chemistry - General Organic Chemistry Question 17 English
WB JEE 2020
13
For the following carbocations, the correct order of stability is

I. $$^ \oplus C{H_2} - COC{H_3}$$

II. $$^ \oplus C{H_2} - OC{H_3}$$

III. $$^ \oplus C{H_2} - C{H_3}$$
WB JEE 2020
14
The molecule/molecules that has/have delocalised lone pair(s) of electrons is/are

WB JEE 2019 Chemistry - General Organic Chemistry Question 16 English
WB JEE 2019
15
Among Me3N, C5H5N and MeCN (Me = methyl group) the electronegativity of N is in the order
WB JEE 2017
16
The correct order of acid strengths of benzoic acid (X), peroxybenzoic acid (Y) and p-nitrobenzoic acid (Z) is
WB JEE 2017
17
The correct order of basicity of the following compounds is

WB JEE 2016 Chemistry - General Organic Chemistry Question 13 English
WB JEE 2016
18
From the following compounds, choose the one which is not aromatic.
WB JEE 2016
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12