1
JEE Advanced 2020 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
In thermodynamics, the p-V work done is given by

$$w = - \int {dV{p_{ext}}} $$

For a system undergoing a particular process, the work done is

$$w = - \int {dV\left( {{{RT} \over {V - b}} - {a \over {{V^2}}}} \right)} $$

This equation is applicable to a
A
system that satisfies the van der Walls' equation of state
B
process that is reversible and isothermal
C
process that is reversible and adiabatic
D
process that is irreversible and at constant pressure
2
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 29 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.
3
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 - Alcohols, Phenols and Ethers Question 16 English

The correct structure of
A
S is

JEE Advanced 2020 Paper 1 Offline Chemistry - Alcohols, Phenols and Ethers Question 16 English Option 1
B
Q is

JEE Advanced 2020 Paper 1 Offline Chemistry - Alcohols, Phenols and Ethers Question 16 English Option 2
C
R is

JEE Advanced 2020 Paper 1 Offline Chemistry - Alcohols, Phenols and Ethers Question 16 English Option 3
D
S is

JEE Advanced 2020 Paper 1 Offline Chemistry - Alcohols, Phenols and Ethers Question 16 English Option 4
4
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.
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