1
JEE Advanced 2020 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
With respect to the compounds I-V, choose the correct statement(s).

JEE Advanced 2020 Paper 1 Offline Chemistry - Basics of Organic Chemistry Question 33 English
A
The acidity of compound I is due to delocalisation in the conjugate base.
B
The conjugate base of compound IV is aromatic.
C
Compound II becomes more acidic, when it has a $$-$$NO2 substituent.
D
The acidity of compounds follows the order

I > IV > V > II > III.
2
JEE Advanced 2020 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
In the reaction scheme shown below Q, R and S are the major products.

JEE Advanced 2020 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English

The correct structure of
A
S is

JEE Advanced 2020 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English Option 1
B
Q is

JEE Advanced 2020 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English Option 2
C
R is

JEE Advanced 2020 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English Option 3
D
S is

JEE Advanced 2020 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English Option 4
3
JEE Advanced 2020 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
Choose the correct statement(s) among the following :
A
[FeCl4]$$-$$ has tetrahedral geometry.
B
[Co(en)(NH3)2Cl2]+ has 2 geometrical isomers.
C
[FeCl4]$$-$$ has higher spin-only magnetic moment than [Co(en)(NH3)2Cl2]+.
D
The cobalt ion in [Co(en)(NH3)2Cl2]+ has sp3d2 hybridisation.
4
JEE Advanced 2020 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
With respect to hypochlorite, chlorate and perchlorate ions, choose the correct statement(s).
A
The hypochlorite ion is the strongest conjugate base.
B
The molecular shape of only chlorate ion is influenced by the lone pair of electrons of Cl.
C
The hypochlorite and chlorate ions disproportionate to give rise to identical set of ions.
D
The hypochlorite ion oxidises the sulphite ion.
JEE Advanced Papers
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