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1
JEE Advanced 2020 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2
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Which among the following statement(s) is/are true for the extraction of aluminium from bauxite?
A
Hydrated Al2O3 precipitates, when CO2 is bubbled through a solution of sodium aluminate.
B
Addition of Na3AlF6 lowers the melting point of alumina.
C
CO2 is evolved at the anode during electrolysis.
D
The cathode is a steel vessel with a lining or carbon.
2
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.
3
JEE Advanced 2020 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2
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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.
4
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
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