Chemistry · Periodicity of Elements and Periodic Properties

JEE Main 2026 — 5 April, Morning Shift — Question 56

Statement I : The correct order of electronegativity of fluorine, oxygen nitrogen is F>O>N\mathrm{F}>\mathrm{O}>\mathrm{N}.

Statement II : The oxidation state of oxygen in OF2\mathrm{OF}_{2} is +2 and in Na2O\mathrm{Na}_{2} \mathrm{O} is -2 .

In the light of the above statements, choose the correct answer from the options given below

  1. Option A:

    Both Statement I and Statement II are true

    Correct
  2. Option B:

    Both Statement I and Statement II are false

  3. Option C:

    Statement I is true but Statement II is false

  4. Option D:

    Statement I is false but Statement II is true

Answer: A

Step-by-step solution

Statement-I\text{Statement-I} \begin{aligned} (\text{EN})_{\text{F}} &= 4.0 \\ (\text{EN})_{\text{O}} &= 3.5 \\ (\text{EN})_{\text{N}} &= 3.0 \end{aligned} \qquad \text{on Pauling scale}$$

(\text{EN}){\text{F}} > (\text{EN}){\text{O}} > (\text{EN})_{\text{N}}

\text{Statement-II}

Oxidation state of oxygen in ${OF}_{2}$

\text{OF}_{2} \Rightarrow x - 1 \times 2 = 0

x = +2

Oxidation state of oxygen in ${Na}_{2}\text{O}$

\text{Na}_{2}\text{O} \Rightarrow +1 \times 2 + x = 0

x = -2

BoththestatementIandstatementIIarecorrect. Both the statement I and statement II are correct.

Answer key and solution verified before publishing.

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Exam
JEE Main 2026
Subject
Chemistry
Chapter
Periodicity of Elements and Periodic Properties
Topic
Periodicity in Chemical Properties (Ionization Energy, Electron Affinity, Electronegativity)
Statement I : The correct order of electronegativity of fluorine… | JEE Main 2026 PYQ with Solution · DhiX AI