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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 (More than One Correct Answer)

+4

-2

The pair(s) of diamagnetic ions is(are)

A

La³⁺, Ce⁴⁺

B

Yb²⁺, Lu³⁺

C

La²⁺, Ce³⁺

D

Yb³⁺, Lu²⁺

2

JEE Advanced 2022 Paper 1 Online

MCQ (More than One Correct Answer)

+4

-2

The treatment of galena with $\mathrm{HNO}_{3}$ produces a gas that is

A

paramagnetic

B

bent in geometry

C

an acidic oxide

D

colorless

3

JEE Advanced 2019 Paper 2 Offline

MCQ (More than One Correct Answer)

+4

-1

With reference to aqua-regia, choose the correct option(s).

A

Aqua-regia is prepared by mixing conc. HCl and conc. HNO₃ in 3 : 1 (v / v) ratio

B

The yellow colour of aqua-regia is due to the presence of NOCl and Cl₂

C

Reaction of gold with aqua-regia produces an anion having Au in +3 oxidation state

D

Reaction of gold with aqua regia produces NO₂ in the absence of air

4

JEE Advanced 2019 Paper 1 Offline

MCQ (More than One Correct Answer)

+4

-1

Fusion of MnO₂ with KOH in presence of O₂ produces a salt W. Alkaline solution of W upon electrolytic oxidation yields another salt X. The manganese containing ions present in W and X, respectively, are Y and Z. Correct statement(s) is (are)

A

Both Y and Z are coloured and have tetrahedral shape

B

Y is diamagnetic in nature while Z is paramagnetic

C

In both Y and Z, $$\pi $$-bonding occurs between p-orbitals of oxygen and d-orbitals of manganese

D

In aqueous acidic solution, Y undergoes disproportionation reaction to give Z and MnO₂

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