JEE Main 2018 (Online) 15th April Evening Slot | Periodic Table & Periodicity Question 99 | Chemistry

PREVIOUS NEXT

JEE Main 2018 (Online) 15th April Evening Slot

MCQ (Single Correct Answer)

-1

The correct order of electron affinity is :

F > Cl > O

F > O > Cl

Cl > F > O

O > F > Cl

JEE Main 2018 (Online) 15th April Morning Slot

MCQ (Single Correct Answer)

-1

For Na⁺, Mg²⁺, F^- and O^2-; the correct order of increasing ionic radii is :

O^2- < F^- < Na⁺ < Mg²⁺

Na⁺ < Mg²⁺ < F^- < O^2-

Mg²⁺ < Na⁺ < F^- < O^2-

Mg²⁺ < O^2- < Na⁺ < F^-

JEE Main 2017 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

-1

The electronic configuration with the highest ionization enthalpy is :

[Ne] 3s² 3p¹

[Ne] 3s² 3p²

[Ne] 3s² 3p³

[Ar] 3d¹⁰ 4s² 4p³

JEE Main 2017 (Online) 8th April Morning Slot

MCQ (Single Correct Answer)

-1

Consider the following ionization enthalpies of two elements 'A' and 'B' .

Element	Ionization enthalpy (kJ/mol)
	1^st	2^nd	3^rd
A	899	1757	14847
B	737	1450	7731

Which of the following statements is correct ?

Both ‘A’ and ‘B’ belong to group-1where ‘B’ comes below ‘A’.

Both ‘A’ and ‘B’ belong to group-1 where ‘A’ comes below ‘B’.

Both ‘A’ and ‘B’ belong to group-2 where ‘B’ comes below ‘A’.

Both ‘A’ and ‘B’ belong to group-2 where ‘A’ comes below ‘B’.

PREVIOUS NEXT

JEE Main Subjects

Physics

Mechanics

Units & Measurements Vector Algebra Motion Circular Motion Laws of Motion Work Power & Energy Center of Mass and Collision Rotational Motion Properties of Matter Heat and Thermodynamics Simple Harmonic Motion Waves Gravitation

Electricity

Electrostatics Current Electricity Capacitor Magnetics Alternating Current and Electromagnetic Induction

Optics

Ray & Wave Optics

Modern Physics

Atoms and Nuclei Dual Nature of Radiation Semiconductor Communication Systems

Chemistry

Physical Chemistry

Some Basic Concepts of Chemistry Structure of Atom Redox Reactions Gaseous State Equilibrium Solutions Thermodynamics Electrochemistry Chemical Kinetics and Nuclear Chemistry Solid State Surface Chemistry

Inorganic Chemistry

Periodic Table & Periodicity Chemical Bonding & Molecular Structure Isolation of Elements Hydrogen s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry

Organic Chemistry

Basics of Organic Chemistry Hydrocarbons Haloalkanes and Haloarenes Alcohols, Phenols and Ethers Aldehydes, Ketones and Carboxylic Acids Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry

Mathematics

Algebra

Sets and Relations Quadratic Equation and Inequalities Sequences and Series Mathematical Induction and Binomial Theorem Matrices and Determinants Permutations and Combinations Probability Vector Algebra 3D Geometry Complex Numbers Statistics Mathematical Reasoning

Trigonometry

Trigonometric Functions & Equations Inverse Trigonometric Functions Properties of Triangle

Coordinate Geometry

Straight Lines and Pair of Straight Lines Circle Conic Sections

Calculus

Functions Limits, Continuity and Differentiability Differentiation Application of Derivatives Indefinite Integrals Definite Integrals and Applications of Integrals Differential Equations