MockX-logo
FeaturesMock TestsPYQ ChaptersPlansDownload App
NEET 2027 Pass
← Back to chapters
Chemistry

Chapters

Coordination Compounds

p-Block Elements

General Characteristics of Transition Elements

Haloalkanes and Haloarenes

Chemical Reactions

Redox Reactions

Chemical Bonding

Carboxylic Acids

Colligative Properties

VSEPR Theory

Integrated Rate Equations

Chemical Bonding and Molecular Structure

Electrochemistry

Amines

General Organic Chemistry

Quantum Numbers

Stoichiometry

Mole Concept

Chemical Equilibrium

Carbohydrates

Electrolysis and Faraday's Laws

Arrhenius Equation and Activation Energy

Alcohols, Phenols and Ethers

Atomic Structure

Polymers

Chemical Reactions of Alcohols

Hydrocarbons

General Principles and Processes of Isolation of Elements

Ionic Equilibrium

Colloids

The s-Block Elements

Aldehydes and Ketones

Isomerism

Drugs and their Classification

Molecular Orbital Theory (MOT)

Alkenes

Crystal Structures

Thermodynamics

Gaseous State

Nucleophilic Substitution Reactions

Enthalpy and Enthalpy Change

Solutions

Qualitative Analysis of Organic Compounds

Catalysis in Transition Elements and Coordination Compounds

Benzene

Periodic Table and Periodicity in Properties

Chemical Kinetics

Alkanes

Entropy

Periodic Trends in Properties of Elements

Some Basic Concepts of Chemistry

Lanthanoids

Thermodynamic Processes

Magnetic Properties of Transition Elements

Hydrogen Bonding

Solubility of Gases in Liquids

Properties of Group 16 Hydrides

Reactions of Alkenes, Preparation of Aldehydes

Animal Kingdom

Methods of Purification of Organic Compounds

Qualitative Analysis of Inorganic Salts

Work Done in Reversible Isothermal Process

Preparation of Compounds

Chemical Reactions of Haloalkanes

Surface Chemistry

Periodic Properties

Reactions of Aldehydes and Ketones

Group 1 Elements: Alkali Metals

Rate Law and Order of Reaction

Gibbs Energy Change and Equilibrium

Hydrogen

Chemical Reactions of Aldehydes and Ketones

Structure of Atom

Formula of a Compound

Nucleic Acids

Intermolecular Forces

Minerals and their physiological roles

Environmental Issues

Classification based on the nature of C-X bond

Aromaticity

Sulphur - Oxoacids

Carbon

Kinetic Theory of Gases

Chemical Reactions of Ethers

Imperfections in Solids

Concentration Terms

Equilibrium Constant

Nernst Equation

Group 16 Elements

States of Matter

Classification of Elements and Periodicity in Properties

Aromatic Hydrocarbon

Atmospheric Pollution

Density of Unit Cell

Acidity of Phenols

Allotropes of Carbon

Quantitative Analysis

Enzymes

Diborane

Hydrides

Principal Ores of Metals

Methods of Preparation of Haloarenes

Bohr's Model of the Hydrogen Atom

Distinction of Primary, Secondary and Tertiary Alcohols (Lucas Test)

Nomenclature of Haloalkanes and Haloarenes

Reaction with nitrous acid

Electrochemical Cells

Dipole Moment

Chemical Reactions of Amines

Types of Chemical Reactions

Electromagnetic Waves

Empirical Formula and Molecular Formula

Kohlrausch's Law

Radioactivity

Shapes of Molecules

Specific Heats of Gases

Extraction of Iron

Refining of Metals

Vitamins and their deficiency diseases

Group 18 Elements (Noble Gases)

Vapour Pressure of Liquid-Liquid Solutions

Gattermann-Koch reaction, Haloform reaction, Esterification, Hell-Volhard-Zelinsky reaction

Environmental Pollution

Preparation of Aldehydes

Replacement of Nitrogen by Hydrogen

Ethers

Environmental Chemistry

Solubility Product and Common Ion Effect

Oxides of Elements

Methods of Purification

Solid State

Oxoacids of Sulphur

Detergents

Amino Acids

Nomenclature of Elements with Atomic Numbers > 100

Preparation of Alkanes

Neural Control and Coordination

Electronic Configuration

Ideal and Non-Ideal Solutions

Work Done in Isothermal Irreversible Expansion

Greenhouse Effect and Global Warming

Brønsted-Lowry Acid-Base Theory

Acidity and Basicity of Alcohols, Phenols and Ethers

From Cumene

Xenon Compounds

Cofactors and Enzymes

Occurrence of Metals

Atomic Spectra

Azeotropes

Group 14 Elements

Biomolecules

Real Gases and Deviation from Ideal Behaviour

Important Compounds of p-Block Elements

Hardness of Water

First Order Reaction

Real Gases

Oxidation Number

Metallurgy

Group 13 Elements: The Boron Family

Amino Acids, Proteins, Enzymes

Electrophilic Substitution Reactions of Amines

Chemical Properties of Alkaline Earth Metals

Chemical Reactions of Benzene and its Derivatives

Metal Carbonyls

Reactions of Phenols

Group 2 Elements: Alkaline Earth Metals

Thermochemistry

Phenols

Reactions of Halogens and Transition Metals

First Law of Thermodynamics

Compounds of Sulfur

Actinoids

Proteins

Organometallic Compounds

Purification of Organic Compounds

Alkali Metals

Reaction Mechanisms and Rate Law

Diazonium Salts

Electrolytic Conductance

Heterogeneous Catalysis

Boric Acid

Corrosion and its prevention

Sulphuric Acid (H₂SO₄)

VSEPR Theory, Hybridization, Shapes of Molecules

Trans-effect

Jahn-Teller Effect

Heterocyclic Compounds

Nylon 6,6

Molecular Basis of Inheritance

Tautomerism, Keto-enol Tautomerism

Buffer Solutions

Thermal Stability of Carbonates

Oxoacids of Phosphorus

Chemical Properties of P-Block Elements

Deviation from Ideal Gas Behavior

Valence Bond Theory (VBT)

Reactions of Benzene

Preparation of Haloalkanes

Electromagnetic Radiation

Adsorption

Equilibrium

Isoelectronic Species

Hydrogen Peroxide

Oxidation States and Redox Reactions

Magnetic Properties of d-block elements

Lanthanoid Contraction

Adrenal Gland Hormones

Air Pollution and its Control

Quantitative Analysis (Estimation of Nitrogen)

Electrophilic Substitution Reactions

Reactivity of Aldehydes and Ketones towards Nucleophilic Addition Reactions

PYQs / Chemistry / Empirical Formula and Molecular Formula / 2021
Chemistry 2021

Empirical Formula and Molecular Formula

Pick a question to practice. Next and Previous stay in this set.

Start practicing
  1. 01
    An organic compound contains 78% (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. Of C is 12, H is 1]
    easy
Logo

Your trusted companion for NEET 2026 preparation. Join thousands of students achieving their medical dreams.

Follow us

COMPANY

  • About us
  • Help & Support
  • FAQ
  • Blog

STUDY RESOURCES

  • NEET Rank Predictor
  • NEET 2027 Target Hub
  • NCERT Books
  • NEET 2026
  • NEET 2026 Countdown
  • How Many Days Left for NEET
  • NEET 2027 Countdown
  • NEET 2026 Syllabus
  • Physics Syllabus
  • Chemistry Syllabus
  • Biology Syllabus
  • Exam Pattern
  • Important Topics
  • NEET Topic Navigator
  • JEE Topic Navigator

NEET PG TOOLS

  • All Photo Tools
  • Passport Photo Crop
  • Signature & Thumb
  • PDF Compressor (≤1 MB)
  • Unlock PDF Password
  • Tools How-to Guide
  • Face Ratio Fix Guide

NEET 2026 GUIDES

  • Preparation Guide
  • Admit Card 2026
  • Counselling Guide
  • Eligibility Criteria
  • Result & Cutoff
  • Exam Centres
  • NEET 2027 Premium
  • PYQ Practice
  • Free Mock Tests
  • Free PYQ Practice
  • Smart Flashcards
  • Daily Streak

CONTACT US

Student Queries

[email protected]

Made with love by Team MockX

Terms•Privacy Policy•Refund Policy