1
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
An organic compound (A) (molecular formula C6H12O2) was hydrolysed with dil. H2SO4 to give a carboxylic acid (B) and an alcohol (C). ‘C’ gives white turbidity immediately when treated with anhydrous ZnCl2 and conc. HCl. The organic compound (A) is :
A
JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 144 English Option 1
B
JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 144 English Option 2
C
JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 144 English Option 3
D
JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 144 English Option 4
2
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
[P] on treatment with Br2/FeBr3 in CCl4 produced a single isomer C8H7O2Br while heating [P] with sodalime gave toluene. The compound [P] is
A
JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 143 English Option 1
B
JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 143 English Option 2
C
JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 143 English Option 3
D
JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 143 English Option 4
3
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
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
4
JEE Main 2020 (Online) 3rd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the following molecules and statements related to them : JEE Main 2020 (Online) 3rd September Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 145 English
(a) (B) is more likely to be crystalline than (A)
(b) (B) has higher boiling point than (A)
(c) (B) dissolves more readily than (A) in water

Identify the correct option from below :
A
only (a) is true
B
(a), (b) and (c) are true
C
(b) and (c) are true
D
(a) and (b) are true
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