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1
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Compound A(C9H10O) shows positive iodoform test. Oxidation of A with KMnO4/KOH given acid B(C8H6O4). Anhydride of B is used for the preparation of phenolphthalein. Compound A is:
A
JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English Option 1
B
JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English Option 2
C
JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English Option 3
D
JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 124 English Option 4
2
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
The major product 'Y' in the following reaction is : JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 123 English
A
JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 123 English Option 1
B
JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 123 English Option 2
C
JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 123 English Option 3
D
JEE Main 2019 (Online) 10th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 123 English Option 4
3
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Major products of the following reaction are : JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 125 English
A
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 125 English Option 1
B
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 125 English Option 2
C
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 125 English Option 3
D
CH3OH and HCO2H
4
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
In the following reaction JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 127 English Rate of the reaction is the highest for :
A
Propanal as substrate and methanol in stoichiometric amount.
B
Acetone as substrate and methanol in stoichiometric amount
C
Propanal as substrate and methanol in excess
D
Acetone as substrate and methanol in excess
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