1
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which dicarboxylic acid in presence of a dehydrating agent is least reactive to give an anhydride?
A
JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 182 English Option 1
B
JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 182 English Option 2
C
JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 182 English Option 3
D
JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 182 English Option 4
2
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The decreasing order of ease of alkaline hydrolysis for the following esters in

JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 181 English
A
III > II > IV > I
B
IV > II > III > I
C
III > II > I > IV
D
II > III > I > IV
3
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct match between Item I and Item II is :

Item - I Item - II
(A) Benzaldehyde (P) Mobile phase
(B) Alumina (Q) Adsorbent
(C) Acetonitrile (R) Adsorbate
A
(A) $$ \to $$ (Q); (B) $$ \to $$ (P); (C) $$ \to $$ (R)
B
(A) $$ \to $$ (R); (B) $$ \to $$ (Q); (C) $$ \to $$ (P)
C
(A) $$ \to $$ (Q); (B) $$ \to $$ (R); (C) $$ \to $$ (P)
D
(A) $$ \to $$ (P); (B) $$ \to $$ (R); (C) $$ \to $$ (Q)
4
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product in the following reaction is :

JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 185 English
A
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 185 English Option 1
B
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 185 English Option 2
C
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 185 English Option 3
D
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 185 English Option 4
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