1
JEE Main 2020 (Online) 5th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In the following reaction sequence the major products A and B are : JEE Main 2020 (Online) 5th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English
A
JEE Main 2020 (Online) 5th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English Option 1
B
JEE Main 2020 (Online) 5th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English Option 2
C
JEE Main 2020 (Online) 5th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English Option 3
D
JEE Main 2020 (Online) 5th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English Option 4
2
JEE Main 2020 (Online) 5th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The increasing order of the acidity of the $$\alpha $$-hydrogen of the following compounds is : JEE Main 2020 (Online) 5th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 123 English
A
(C) < (A) < (B) < (D)
B
(B) < (C) < (A) < (D)
C
(A) < (C) < (D) < (B)
D
(D) < (C) < (A) < (B)
3
JEE Main 2020 (Online) 5th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
An Ellingham diagram provides information about :
A
the temperature dependence of the standard Gibbs energies of formation of some metal oxides
B
the pressure dependence of the standard electrode potentials of reduction reactions involved in the extraction of metals
C
the conditions of pH and potential under which a species is thermodynamically stable
D
the kinetics of the reduction process
4
JEE Main 2020 (Online) 5th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following derivatives of alcohols is unstable in an aqueous base?
A
RO—CMe3
B
JEE Main 2020 (Online) 5th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 122 English Option 2
C
JEE Main 2020 (Online) 5th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 122 English Option 3
D
JEE Main 2020 (Online) 5th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 122 English Option 4
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