1
JEE Advanced 2020 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
Choose the correct statement(s) among the following :
A
SnCl2 . 2H2O is a reducing agent.
B
SnO2 reacts with KOH to form K2[Sn(OH)6].
C
A solution of PbCl2 in HCl contains Pb2+ and Cl$$-$$ ions.
D
The reaction of Pb3O4 with hot dilute nitric acid to give PbO2 is a redox reaction.
2
JEE Advanced 2020 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
Consider the following four compounds, I, II, III, and IV.

JEE Advanced 2020 Paper 2 Offline Chemistry - Basics of Organic Chemistry Question 27 English 1 JEE Advanced 2020 Paper 2 Offline Chemistry - Basics of Organic Chemistry Question 27 English 2

Choose the correct statement(s)
A
The order of basicity is II > I > III > IV.
B
The magnitude of pKb difference between I and II is more than that between III and IV.
C
Resonance effect is more in III than in IV.
D
Steric effect makes compound IV more basic than III.
3
JEE Advanced 2020 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
Consider the following transformations of a compound P.

JEE Advanced 2020 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English

Choose the correct option(s).
A
P is

JEE Advanced 2020 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English Option 1
B
X is Pd-C/quinoline/H2
C
P is

JEE Advanced 2020 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English Option 3
D
R is

JEE Advanced 2020 Paper 2 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 44 English Option 4
4
JEE Advanced 2020 Paper 2 Offline
Numerical
+4
-0
Change Language
A solution of 0.1 M weak base (B) is titrated with 0.1 M of a strong acid (HA). The variation of pH of the solution with the volume of HA added is shown in the figure below. What is the pKb of the base? The neutralisation reaction is given by

$$B + HA\buildrel {} \over \longrightarrow B{H^ + } + {A^ - }$$

JEE Advanced 2020 Paper 2 Offline Chemistry - Equilibrium Question 9 English
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