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1
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
The increasing order of the reactivity of the following compound in nucleophilic addition reaction is :

Propanal, Benzaldehyde, Propanone, Butanone
A
Butanone < Propanone < Benzaldehyde < Propanal
B
Benzaldehyde < Butanone < Propanone < Propanal
C
Propanal < Propanone < Butanone < Benzaldehyde
D
Benzaldehyde < Propanal < Propanone < Butanone
2
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
The compound A in the following reaction is : JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 110 English
A
JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 110 English Option 1
B
JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 110 English Option 2
C
JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 110 English Option 3
D
JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 110 English Option 4
3
JEE Main 2020 (Online) 2nd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Arrange the following labelled hydrogens in decreasing order of acidity : JEE Main 2020 (Online) 2nd September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 116 English
A
b > c > d > a
B
b > a > c > d
C
c > b > d > a
D
c > b > a > d
4
JEE Main 2020 (Online) 2nd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Two compounds A and B with same molecular formula (C3H6O) undergo Grignard’s reaction with methylmagnesium bromide to give products C and D. Products C and D show following chemical tests. JEE Main 2020 (Online) 2nd September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 115 English
C and D respectively are :
A
JEE Main 2020 (Online) 2nd September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 115 English Option 1
B
JEE Main 2020 (Online) 2nd September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 115 English Option 2
C
JEE Main 2020 (Online) 2nd September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 115 English Option 3
D
JEE Main 2020 (Online) 2nd September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 115 English Option 4
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