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Isotopes
Abnormal Molar Masses
Acid Dissociation Constants
Acid-base concepts and principles
Acid-base equilibria
Acid-base titrations
Acidic and Basic Oxides
Acids and Bases
Acids, Bases And Salts
Activation energy
Addition reactions
Adiabatic Processes
Adsorption
Alcohols
Alcohols, Phenols And Ethers
Alcohols, Phenols and Ethers
Aldehydes
Aldehydes And Ketones
Aldehydes, Ketones and Carboxylic Acids
Alkaline earth metals
Alkaloids
Alkanes
Alkenes
Alkynes
Allotropes of Sulphur
Allotropes of carbon
Alloys
Amalgams
Amines
Amino Acids
Ammonia
Analytical Chemistry
Angular Momentum, Magnetic Dipole Moments
Antibiotics
Applications Of Equilibrium Constants
Aromatic Hydrocarbon
Aromatic Nitrogen compounds
Aromatic Substitution Reactions
Aromatic electrophilic substitutions
Aromaticity & chemistry of aromatic compounds
Arrhenius Equation
Atmospheric pollution
Atomic Masses And Composition Of Nucleus
Atomic Models
Atomic Number and Mass Number
Atomic Physics
Atomic Spectra
Atomic Structure
Atomic and Molecular Masses
Atoms
Atoms and Molecules
Azeotropes and eutectics
Balancing a redox reaction
Biochemistry
Biochemistry
Bioinorganic Chemistry
Biomolecules
Biomolecules
Bohr Model Of The Hydrogen Atom
Bohr's model of hydrogen atom
Bohr’s Model for Hydrogen Atom
Bond Dissociation Enthalpy
Bond Parameters
Bonding In Some Homonuclear Diatomic Molecules
Bonding in Coordination Compounds
Bonding in Metal Carbonyls
Bonding in molecules
Buffer Solutions
Carbohydrates
Carbohydrates
Carbon
Carbon Allotropes
Carbon and Its Compound
Carbon-carbon bond formation through coupling reactions
Carboxylic Acids
Catalysis
Catalysis and elementary enzyme reactions
Cement
Change of state
Chemical Equations
Chemical Equilibria and Dissociation
Chemical Kinetics
Chemical Properties Of Metals
Chemical Reaction
Chemical Reactions
Chemical Reactions of Alcohols Phenols and Ethers
Chemical Reactions of Aldehydes Ketones and Carboxylic Acids
Chemical Reactions of Haloalkanes and Haloarenes
Chemical bonding and molecular structure
Chemical equilibria
Chemical reaction equilibrium
Chemical structure
Chemistry in Everyday Life
Chemistry of organic compounds
Chirality & symmetry of organic molecules with or without chiral centres
Chlorine
Chromatography and Its Principles
Chromatography including GC and HPLC
Classical Idea Of Redox Reactions – Oxidation And Reduction Reactions
Classification
Classification Of Organic Compounds
Classification of Colloids
Classification of Hydrocarbons
Classification of Polymers, Preparation
Classification of elements and periodicity in properties
Classification of polymers
Classification, Nomenclature, Isomerism
Colligative Properties
Colligative Properties
Collision Theory of Chemical Reactions
Colloids
Colloids
Colloids And Emulsions
Combustion and Flame
Common ion effect
Concentration of ores
Condensation and Evaporation
Conductance
Conductance
Conductance of Electrolytic Solutions
Conductivity and viscosity measurement
Conductivity-thermal and electrical
Conductors and Insulators
Conformational Analysis
Conformational analysis of acyclic and cyclic compounds
Coordination Compounds
Coordination Number
Coordination chemistry
Coordination complexes
Copper
Corrosion
Corrosion and electrochemical reactions
Crystal Field Theory
Crystal Structures
Crystal defects
Crystalline Solid
Crystallization
Dalton’s Atomic Theory
Decay Rate
Deficiency Diseases
Dependence of the Rate of a Reaction
Depression of freezing point
Developments Leading to the Bohr’s Model of Atom
Diffusion
Dilute Solutions or Colligative Properties
Dilution and Concentration Calculations
Dipole moment
Discovery of Sub-atomic Particles
Disorders of fluid, electrolyte and acid-base balance
Disproportionation Reactions
Distillation
Drugs
Dual nature of matter
Dual nature of matter
Dual nature of radiation and matter
EMF
Electrochemical Cells
Electrochemical Cells and Gibbs Free Energy
Electrochemical Cells and Its Applications
Electrochemistry
Electrolysis
Electrolytic Cells and Electrolysis
Electromagnetic Spectrum
Electromagnetic Waves
Electromagnetic waves
Electronegativity
Electronic Configuration
Electronic Configurations Of Elements And The Periodic Table
Electronic Configurations of the d-Block Elements
Electronic configuration of atoms and ions
Electrophilic Addition
Electrophilicity and Hydration of Aldehydes
Elementary treatment of SN1, SN2, E1, E2 and radical reactions
Elements and Classification
Elimination reactions
Emulsions
Energy Levels in a Crystalline Solid
Enthalpy
Enthalpy change
Entropy and free energy
Environmental Chemistry
Environmental Studies and Ecosystems
Environmental pollution
Enzyme catalysis
Enzymes
Enzymes
Enzymes
Equations for Conservation of Mass, Momentum, Heat and Salt
Equilibrium
Equilibrium
Equilibrium Constant
Equilibrium Physical Processes
Equilibrium constants for homogeneous reactions
Ethers
Expressing Concentration of Solutions
Factors Affecting Equilibria
Faraday’s law
Fertilizers
Fluid Mechanics
Food Chemistry
Food Science
Free Energy Functions
Free energy change and spontaneity
Free energy changes from equilibrium constant
Fuel Cells
Fuels and Combustion
Fundamental Concepts In Organic Reaction Mechanism
GREEN CHEMISTRY
GROUP 1 ELEMENTS
GROUP 14 ELEMENTS
GROUP 2 ELEMENTS
Galvanic Cells
Gas Laws
Gas laws
Gaseous State
General Chemistry
General Principles And Process of Isolation of Elements
General Principles and Processes of Isolation of Elements
General Properties of the Transition Elements (d-Block)
General Science
Genesis Of Periodic Classification
Geometrical isomerism and optical isomerism
Gibbs Free Energy
Gibbs energy change and equilibrium
Gibbs‐Helmholtz equation
Glass transition
Glucose
Grignard’s reagents and their uses
Group 13 Elements
Group 15 Elements
Group 16 Elements
Group 17 Elements
Group 18 Elements
Group 18 Elements (Noble Gases)
Haber Process
Half life
Halides and Hydrides of alkali
Haloalkanes And Haloarenes
Haloalkanes and Haloarenes
Halogenated Hydrocarbons
Hard Water
Heat Transfer
Hess’s law
Homogeneous Equilibria
Homogeneous catalysis
Hormones
Hormones and neurotransmitters
Hund’s rule and Pauli’s exclusion principle
Hybridisation
Hybridization
Hydrides
Hydrocarbons
Hydrocarbons
Hydrogen
Hydrogen
Hydrogen Bonding
Hydrogen Spectrum
Hydrogen bonding
Hydrolysis of salts
Ideal Gases
Ideal and Non-ideal solutions
Ideal gas equation
Ideal gas equation
Ideal-gas equation and absolute temperature
Identification of common functional groups by chemical tests
Imperfections in Solids
Importance Of Chemistry
Importance and Applications of Coordination Compounds
Importance of DiazoniumSalts in Synthesis of Aromatic Compounds
Industrial Chemistry
Inert Gases
Inorganic Polymers
Inorganic chemistry
Ionic Equilibrium
Ionic Equilibrium In Solution
Ionic and covalent bonding
Ionic equilibria in solution
Ionic mobility and conductivity
Ionic or Electrovalent Bond
Ionic radii and lattice energy
Ionization Of Acids And Bases
Ions
Isomerism
Isomerism
Isomerism in Coordination Compounds
Ketones
Kinetics
Kinetics of Reaction
Kinetics of photochemical and photo physical processes
Kossel-Lewis Approach to Chemical Bonding
Lanthanoids and Actinides
Lassaigne's Test
Law Of Chemical Equilibrium And Equilibrium Constant
Laws of Chemical Combinations
Laws of thermodynamics
Ligand binding
Linkage
Liquid state
Magnetic moment
Magnetism and Electrons
Main Group Elements (s and p blocks)
Mass Spectrometry
Material Science
Measurement of PH
Measurement of ∆U and ∆H: Calorimetry
Mechanisms of complex reactions
Medicinal Chemistry
Melting and Boiling point
Metal-alkyl
Metallurgy
Metals and Non-Metals
Method of Preparation of Diazoniun Salts
Methods Of Purification Of Organic Compounds
Methods Of Separation
Methods of Preparation of Haloalkanes
Minerals and Rocks
Miscellaneous
Modern Periodic Law And The Present Form Of The Periodic Table
Molality and Molarity
Mole concept and Molar Masses
Molecular & Empirical Formula
Molecular Biology
Molecular Genetics
Molecular Geometry
Molecular Mass
Molecular Nature of Atom
Molecular Orbital Theory
Molecular Polarity
Molecular Spectroscopy & Photochemistry
Molecular Stability
Molecularity
Monomers, functionality, degree of polymerizations
More About Salts
Moving charges and magnetism
Multi-electron atoms
Nanotechnology
Nature of C-X Bond
Nature of Matter
Nernst Equation
Nitrogen
Nitrogen Containing Functional Groups
Nomenclature Of Organic Compounds
Nomenclature of Coordination Compounds
Nuclear Chemistry
Nuclear physics
Nucleic Acids
Nucleic acids and nucleotides
Nucleophilic and electrophilic substitution reactions (both aromatic and aliphatic)
Occurrence Of Metals
Optical and geometrical isomerism
Order of Reaction
Order of reaction
Organic Chemistry
Organic Chemistry - Some Basic Principles and Techniques
Organic Chemistry – Some Basic Principles and Techniques
Organic Compounds Containing Nitrogen
Organic Compounds and Hydrogenation
Organic Reactions
Organic Reactions
Organic Spectroscopy
Organic Synthesis
Organometallic Compounds
Osmotic pressure
Oxidation And Reduction Reactions
Oxidation Number
Oxidation Number And Oxidation States
Oxidation-Reduction
Oxidation-reduction titrations
Oxides
Oxoacids of Phosphorus
Oxygen
Oxygen binding
Ozone Depletion
Ozonolysis
Ozonolysis of Alkenes
P - Block
Partial pressure
Percentage Composition
Periodic Classification of Elements
Periodic Table
Periodic Trends In Properties Of Elements
Periodic properties
Periodicity of Elements
Pesticides
Phase equilibria
Phenols
Phosphorus
Photoelectric Effect
Physical Chemistry
Physical Properties of Metals
Physical and Chemical Changes
Physisorption and chemisorption
Planck’s quantum theory
Polarity of bonds
Polycyclic aromatic hydrocarbons
Polyhalogen Compounds
Polymer Chemistry
Polymers
Polymers of Commercial Importance
Precipitation
Preparation
Preparation of Amines
Pressure
Properties of Liquids
Properties of Matter and their Measurement
Properties of Solids
Properties of benzene
Protein structure
Proteins
Proteins
Qualitative Analysis
Quantitative Analysis
Quantum Chemistry
Quantum Mechanical Model of Atom
Quantum Mechanics
Quantum Numbers and Orbitals
Quantum Physics
Radioactive Decay
Radioactivity
Raoult's Law and Colligative Properties
Raoult’s Law and Henry’s Law
Rate and performance equations for catalyst deactivation
Rate constant
Rate of a Chemical Reaction
Reaction Mechanisms & Synthesis
Reaction mechanisms
Reactions of Chromium Compounds
Reactivity Series
Reading Comprehension
Receptor-ligand interaction
Redox Reactions
Redox Reactions And Electrode Processes
Redox Reactions In Terms Of Electron Transfer Reactions
Redox reactions
Refining
Relationship Between Equilibrium Constant K, Reaction Quotient Q And Gibbs Energy G
Resonance
Semiconductors
Soaps And Detergents
Solid State
Solubility
Solubility Equilibria Of Sparingly Soluble Salts
Solubility products
Solutions
Solvolysis and Carbocation Stability
Some Applications of d- and f-Block Elements
Some Important Carbon Compounds – Ethanol And Ethanoic Acid
Some Important Compounds of Transition Elements
Some basic concepts of chemistry
Specific Heat
Specific Heats of a Gas Mixture
Spectroscopy
Spontaneity
Standard electrode potentials and electrochemical cells
States of Matter
States of matter
Stereochemistry
Stereoisomerism
Stereoisomers
Stoichiometry and Stoichiometric Calculations
Structural Representations Of Organic Compounds
Structure Of Proteins
Structure of Amines
Structure of DNA and RNA
Structure of atom
Structure parameters
Sugar
Surface
Surface Chemistry
Surface Tension
Symmetry
Temperature Dependence of the Rate of a Reaction
Terpenes
Tetravalence Of Carbon: Shapes Of Organic Compounds
The Actinoids
The Kinetic Theory of Gases
The Lanthanoids
The Magnetic Dipole Moment
The S-Block Elements
The Structure of an Atom
The Valence Shell Electron Pair Repulsion (VSEPR) Theory
The p-Block Elements
The s-Block Elements
The s-block elements
The solid state
Theories of reaction rates
Thermochemistry
Thermodynamics
Thermodynamics
Thermodynamics
Thermodynamics and Work Done
Thermodynamics terms
Towards Quantum Mechanical Model of the Atom
Transition Elements
Transition Metals
Transmission electron microscopy
Trends in periodic table
Tyndall Effect
Types Of Chemical Reactions
Types of Polymerisation Reactions
Types of Solutions
Uncertainty in Measurement
Unit Cells
Units and measurement
Uses of Aldehydes and Ketones
VSEPR theory and shape of molecules
Valence Bond Theory
Valency
Van Der Waals equation
Vapour Pressure of Liquid Solutions
Vector basics
Vitamins
Water pollution
Welding
Werner’s Theory of Coordination Compounds
Work done in Thermodynamics
Writing Chemical Formulae
X Rays and the Ordering of the Elements
X-ray Spectra and Moseley's Law
Zero, first and second order kinetics
Zero-order Reactions
analgesics
anomalous behaviour of beryllium
anomalous behaviour of lithium
antacids
antimicrobials
antiseptics
atom structure models
atomic spectra
biodegradable polymers
biological importance of sodium and potassium
bond energies
carbonyl compounds
cell potentials
classification of polymers
classification of solids
coordination compounds
d -and f -Block Elements
d And f - Block Elements
d block elements
de broglie hypothesis
dihydrogen
dihydrogen as a fuel
dinitrogen
electron displacement effects
electron displacement effects
food preservatives
functional groups
heavy water
human health and disease
hydrogen peroxide
industrial waste
intermolecular forces
internal energy
introduction to organic chemistry
kinetics equations
light-dependent reactions
liquifaction of gases
mechanical properties of fluid
molecular mass of polymers
osmosis
p -Block Elements
pH and Temperature
pH value
packing efficiency
phosphorus
polymers of commercial importance
position of hydrogen in the periodic table
potential energy
preparation of dihydrogen
preparation of haloarenes
properties of d block elements
properties of dihydrogen
reaction mechanism
refining
soaps
soil pollution
specific heat capacity
subshell electronic configuration
sulphur
thermal properties of matter
tranquilizers
types of cells
uses of carboxylic acids
water
werner’s theory of coordination compounds

List of top Chemistry Questions on Isotopes

The number of neutrons present in the more abundant isotope of boron is 'x'. Amorphous boron upon heating with air forms a product, in which the oxidation state of boron is 'y'. The value of x + y is ...

Among the following, the correct statement is

Which of the following statement is correct fro isotope of carbon?

Most common isotopes of hydrogen (non-radioactive) is

Most common isotopes of hydrogen (Non radioactive)

Which of the following statement correct for isotope of carbon ?

Heavy water reacts respectively with CO₂, SO₃, P₂O₅ and N₂O₅ to give the compounds.