1
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Experimentally reducing a functional group cannot be done by which one of the following reagents?
A
Pt-C/H2
B
Na/H2
C
Pd-C/H2
D
Zn/H2O
2
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following given graphs represents the variation of rate constant (k) with temperature (T) for an endothermic reaction?
A
JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 58 English Option 1
B
JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 58 English Option 2
C
JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 58 English Option 3
D
JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 58 English Option 4
3
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify A in the following reaction.

JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Compounds Containing Nitrogen Question 74 English
A
JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Compounds Containing Nitrogen Question 74 English Option 1
B
JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Compounds Containing Nitrogen Question 74 English Option 2
C
JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Compounds Containing Nitrogen Question 74 English Option 3
D
JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Compounds Containing Nitrogen Question 74 English Option 4
4
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
In the following sequence of reactions a compound A, (molecular formula C6H12O2) with a straight chain structure gives a C4 carboxylic acid. A is :

JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 76 English
A
$$C{H_3} - C{H_2} - COO - C{H_2} - C{H_2} - C{H_3}$$
B
JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 76 English Option 2
C
$$C{H_3} - C{H_2} - C{H_2} - COO - C{H_2} - C{H_3}$$
D
$$C{H_3} - C{H_2} - C{H_2} - O - CH = CH - C{H_2} - OH$$
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