1
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which one of the following reactions will not yield propionic acid?
A
CH3CH2COCH3 + OI$$-$$/H3O+
B
CH3CH2CH3 + KMnO4(Heat), OH$$-$$/H3O+
C
CH3CH2CCl3 + OH$$-$$/H3O+
D
CH3CH2CH2Br + Mg, CO2 dry ether/H3O+
2
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which one of the following tests used for the identification of functional groups in organic compounds does not use copper reagent?
A
Barfoed's test
B
Seliwanoff's test
C
Benedict's test
D
Biuret test for peptide bond
3
JEE Main 2021 (Online) 27th August Morning Shift
MCQ (Single Correct Answer)
+4
-1
The structure of the starting compound P used in the reaction given below is :

JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 67 English
A
JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 67 English Option 1
B
JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 67 English Option 2
C
JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 67 English Option 3
D
JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 67 English Option 4
4
JEE Main 2021 (Online) 26th August Morning Shift
MCQ (Single Correct Answer)
+4
-1
The major products formed in the following reaction sequence A and B are :

JEE Main 2021 (Online) 26th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English
A
JEE Main 2021 (Online) 26th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 1
B
JEE Main 2021 (Online) 26th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 2
C
JEE Main 2021 (Online) 26th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 3
D
JEE Main 2021 (Online) 26th August Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 69 English Option 4
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