1
JEE Main 2021 (Online) 25th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following is correct structure for cytosine?
A
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Biomolecules Question 101 English Option 1
B
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Biomolecules Question 101 English Option 2
C
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Biomolecules Question 101 English Option 3
D
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Biomolecules Question 101 English Option 4
2
JEE Main 2021 (Online) 25th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify the species having one $$\pi$$-bond and maximum number of canonical forms from the following :
A
SO3
B
O2
C
SO2
D
CO$$_3^{2 - }$$
3
JEE Main 2021 (Online) 25th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following metals forms interstitial hydride easily?
A
Cr
B
Fe
C
Mn
D
Co
4
JEE Main 2021 (Online) 25th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 130 English
Maleic anhydride can prepared by :
A
Heating trans-but-2-enedioic acid
B
Heating cis-but-2-enedioic acid
C
Treating cis-but-2-enedioic acid with alcohol and acid
D
Treating trans-but-2-enedioic acid with alcohol and acid
JEE Main Papers
2023
2021
EXAM MAP