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Physical Chemistry
Some Basic Concepts of Chemistry
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Structure of Atom
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Redox Reactions
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Gaseous State
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Chemical Equilibrium
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Ionic Equilibrium
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Solutions
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Thermodynamics
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Chemical Kinetics and Nuclear Chemistry
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Electrochemistry
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Solid State
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Surface Chemistry
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Inorganic Chemistry
Periodic Table & Periodicity
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Chemical Bonding & Molecular Structure
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Isolation of Elements
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Hydrogen
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s-Block Elements
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p-Block Elements
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d and f Block Elements
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Coordination Compounds
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Salt Analysis
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Organic Chemistry
Basics of Organic Chemistry
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Hydrocarbons
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Haloalkanes and Haloarenes
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Alcohols, Phenols and Ethers
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Aldehydes, Ketones and Carboxylic Acids
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Compounds Containing Nitrogen
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Polymers
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Biomolecules
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Chemistry in Everyday Life
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Practical Organic Chemistry
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1
JEE Advanced 2025 Paper 1 Online
MCQ (Single Correct Answer)
+3
-1

The heating of NH4NO2 at 60–70 °C and NH4NO3 at 200–250 °C is associated with the formation of nitrogen containing compounds X and Y, respectively. X and Y, respectively, are

A

N2 and N2O

B

NH3 and NO2

C

NO and N2O

D

N2 and NH3

2
JEE Advanced 2024 Paper 2 Online
MCQ (Single Correct Answer)
+3
-1

The species formed on fluorination of phosphorus pentachloride in a polar organic solvent are

A
$\left[\mathrm{PF}_4\right]^{+}\left[\mathrm{PF}_6\right]^{-}$and $\left[\mathrm{PCl}_4\right]^{+}\left[\mathrm{PF}_6\right]^{-}$
B
$\left[\mathrm{PCl}_4\right]^{+}\left[\mathrm{PCl}_4 \mathrm{~F}_2\right]^{-}$and $\left[\mathrm{PCl}_4\right]^{+}\left[\mathrm{PF}_6\right]^{-}$
C
$\mathrm{PF}_3$ and $\mathrm{PCl}_3$
D
$\mathrm{PF}_5$ and $\mathrm{PCl}_3$
3
JEE Advanced 2024 Paper 1 Online
MCQ (Single Correct Answer)
+3
-1

At room temperature, disproportionation of an aqueous solution of in situ generated nitrous acid $\left(\mathrm{HNO}_2\right)$ gives the species

A
$\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}_3^{-}$and $\mathrm{NO}$
B
$\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}_3{ }^{-}$and $\mathrm{NO}_2$
C
$\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}^{-}$and $\mathrm{NO}_2$
D
$\mathrm{H}_3 \mathrm{O}^{+}, \mathrm{NO}_3{ }^{-}$and $\mathrm{N}_2 \mathrm{O}$
4
JEE Advanced 2023 Paper 1 Online
MCQ (Single Correct Answer)
+3
-1
Match the reactions (in the given stoichiometry of the reactants) in List-I with one of their products given in List-II and choose the correct option.

List - I List - II
(P) $\mathrm{P}_2 \mathrm{O}_3+3 \mathrm{H}_2 \mathrm{O} \rightarrow$ (1) $\mathrm{P}(\mathrm{O})\left(\mathrm{OCH}_3\right) \mathrm{Cl}_2$
(Q) $\mathrm{P}_4+3 \mathrm{NaOH}+3 \mathrm{H}_2 \mathrm{O} \rightarrow$ (2) $\mathrm{H}_3 \mathrm{PO}_3$
(R) $\mathrm{PCl}_5+\mathrm{CH}_3 \mathrm{COOH} \rightarrow$ (3) $\mathrm{PH}_3$
(S) $\mathrm{H}_3 \mathrm{PO}_2+2 \mathrm{H}_2 \mathrm{O}+4 \mathrm{AgNO}_3 \rightarrow$ (4) $\mathrm{POCl}_3$
(5) $\mathrm{H}_3 \mathrm{PO}_4$
A
$\mathrm{P} \rightarrow 2 ; \mathrm{Q} \rightarrow 3 ; \mathrm{R} \rightarrow 1 ; \mathrm{S} \rightarrow 5$
B
$\mathrm{P} \rightarrow 3 ; \mathrm{Q} \rightarrow 5 ; \mathrm{R} \rightarrow 4 ; \mathrm{S} \rightarrow 2$
C
$\mathrm{P} \rightarrow 5 ; \mathrm{Q} \rightarrow 2 ; \mathrm{R} \rightarrow 1 ; \mathrm{S} \rightarrow 3$
D
$\mathrm{P} \rightarrow 2 ; \mathrm{Q} \rightarrow 3 ; \mathrm{R} \rightarrow 4 ; \mathrm{S} \rightarrow 5$
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Questions Asked from MCQ (Single Correct Answer)
JEE Advanced 2025 Paper 2 Online (1) JEE Advanced 2025 Paper 1 Online (1) JEE Advanced 2024 Paper 2 Online (1) JEE Advanced 2024 Paper 1 Online (1) JEE Advanced 2023 Paper 1 Online (1) JEE Advanced 2022 Paper 2 Online (2) JEE Advanced 2020 Paper 1 Offline (1) JEE Advanced 2017 Paper 2 Offline (2) JEE Advanced 2016 Paper 1 Offline (1) JEE Advanced 2014 Paper 2 Offline (2) JEE Advanced 2013 Paper 2 Offline (3) JEE Advanced 2013 Paper 1 Offline (1) IIT-JEE 2012 Paper 2 Offline (3) IIT-JEE 2012 Paper 1 Offline (1) IIT-JEE 2011 Paper 1 Offline (1) IIT-JEE 2010 Paper 2 Offline (1) IIT-JEE 2009 Paper 2 Offline (1) IIT-JEE 2009 Paper 1 Offline (1) IIT-JEE 2008 Paper 1 Offline (4) IIT-JEE 2007 Paper 2 Offline (1) IIT-JEE 2002 Screening (1) IIT-JEE 1999 (1)
JEE Advanced Subjects
Physics
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Modern Physics
Atoms and NucleiDual Nature of Radiation
Chemistry
Physical Chemistry
Some Basic Concepts of ChemistryStructure of AtomRedox ReactionsGaseous StateChemical EquilibriumIonic EquilibriumSolutionsThermodynamicsChemical Kinetics and Nuclear ChemistryElectrochemistrySolid StateSurface Chemistry
Inorganic Chemistry
Periodic Table & PeriodicityChemical Bonding & Molecular StructureIsolation of ElementsHydrogens-Block Elementsp-Block Elementsd and f Block ElementsCoordination CompoundsSalt Analysis
Organic Chemistry
Basics of Organic ChemistryHydrocarbonsHaloalkanes and HaloarenesAlcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsCompounds Containing NitrogenPolymersBiomoleculesChemistry in Everyday LifePractical Organic Chemistry
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