Physical Chemistry
Some Basic Concepts of Chemistry
Fill in the BlanksNumericalMCQ (Single Correct Answer)MCQ (Multiple Correct Answer)SubjectiveStructure of Atom
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Periodic Table & Periodicity
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Basics of Organic Chemistry
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MCQ (Single Correct Answer)1
JEE Advanced 2021 Paper 1 Online
MCQ (Single Correct Answer)
+3
-1
Among the following, the conformation that corresponds to the most stable conformation of meso-butane-2,3-diol is
2
JEE Advanced 2020 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Newman projections P, Q, R and S are shown below :

Which one of the following options represents identical molecules?

Which one of the following options represents identical molecules?
3
JEE Advanced 2020 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Which of the following structures has the IUPAC name
3-ethynyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid?
3-ethynyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid?
4
JEE Advanced 2020 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
The Fischer projection of D-erythrose is shown below :
D-erythrose and its isomers are listed as P, Q, R, and S in Column - I. Choose the correct relationship of P, Q, R, and S with D-erythrose from Column - II.


D-erythrose and its isomers are listed as P, Q, R, and S in Column - I. Choose the correct relationship of P, Q, R, and S with D-erythrose from Column - II.

Questions Asked from MCQ (Single Correct Answer)
JEE Advanced 2023 Paper 1 Online (1) JEE Advanced 2021 Paper 2 Online (2) JEE Advanced 2021 Paper 1 Online (1) JEE Advanced 2020 Paper 1 Offline (3) JEE Advanced 2014 Paper 2 Offline (1) IIT-JEE 2011 Paper 1 Offline (1) IIT-JEE 2009 Paper 2 Offline (2) IIT-JEE 2009 Paper 1 Offline (2) IIT-JEE 2008 Paper 2 Offline (1) IIT-JEE 2008 Paper 1 Offline (1) IIT-JEE 1991 (1) IIT-JEE 1987 (1) IIT-JEE 1984 (1)
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