Electron Gain Enthalpy & Electronegativity: JEE Questions & Solutions
20 previous-year JEE Chemistry questions on Electron Gain Enthalpy & Electronegativity, each with a worked step-by-step solution.
Previous-year questions
- 01
Which of the following represents the correct trend for the mentioned property? A. F > P > S > B \quad -- First Ionization Energy B. Cl > F…
MCQMediumJEE 2026 - 02
Given below are two statements: Statement I: The correct order in terms of bond dissociation enthalpy is Cl₂ > Br₂ > F₂ > I₂. Statement II:…
MCQMediumJEE 2026 - 03
Given below are two statements: Statement I: The correct order in terms of atomic/ionic radii is Al > Mg > Mg²⁺ > Al³⁺. Statement II: The…
MCQMediumJEE 2026 - 04
Given below are two statements: Statement I: C < O < N < F is the correct order in terms of first ionization enthalpy values. Statement II:…
MCQMediumJEE 2026 - 05
Elements X and Y belong to Group 15. The difference between the electronegativity values of 'X' and phosphorus is higher than that of the…
MCQEasyJEE 2026 - 06
Given below are two statements: Statement I: K > Mg > Al > B is the correct order in terms of metallic character. Statement II: Atomic…
MCQEasyJEE 2026 - 07
Which of the following electronegativity order is incorrect?
MCQEasyJEE 2025 - 08
Match List-I with List-II: | List-I | List-II | |---|---| | (A) Al³⁺ < Mg²⁺ < Na⁺ < F⁻ | (I) Ionisation Enthalpy | | (B) B < C < O < N |…
MCQMediumJEE 2025 - 09
Given below are two statements: Statement (I): An element in the extreme left of the periodic table forms acidic oxides. Statement (II):…
MCQEasyJEE 2025 - 10
Given below are two statements: Statement (I): The radius of isoelectronic species increases in the order. Mg²⁺ < Na⁺ < F⁻ < O²⁻ Statement…
MCQMediumJEE 2025 - 11
The property/properties that show irregularity in the first four elements of group-17 is/are: (A) Covalent radius (B) Electron affinity (C)…
MCQEasyJEE 2025 - 12
Which of the following statements are correct? A. The process of the addition an electron to a neutral gaseous atom is always exothermic B.…
MCQMediumJEE 2025 - 13
Given below are two statements: Statement I: Fluorine has the most negative electron gain enthalpy in its group. Statement II: Oxygen has…
MCQEasyJEE 2024 - 14
Anomalous behavior of oxygen is due to its:
MCQEasyJEE 2024 - 15
The correct sequence of electron gain enthalpy of the elements listed below is: A. Ar B. Br C. F D. S Choose the most appropriate answer…
MCQEasyJEE 2024 - 16
Inert gases have positive electron gain enthalpy. Its correct order is:
MCQEasyJEE 2023 - 17
Which of the following represents the correct order of metallic character of the given elements?
MCQEasyJEE 2023 - 18
The bond dissociation energy is highest for:
MCQEasyJEE 2023 - 19
For electron gain enthalpies of the elements denoted as Δ_egH, the incorrect option is:
MCQMediumJEE 2023 - 20
The correct order of electronegativity for given elements is:
MCQEasyJEE 2023
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