Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETChemistryp Block Elements (Group 15, 16, 17 & 18)

What is the primary reason for the color differences among the halogens?

Options

  1. AAtomic radius
  2. BElectron configuration
  3. CAtomic mass
  4. DIonization energy

Correct answer

B. Electron configuration

Step-by-step solution

The color differences among the halogens are primarily due to their electron configuration, which results in the excitation of their outer electrons to higher energy levels, leading to different colors.

Practice p Block Elements (Group 15, 16, 17 & 18) on Quantrex Academy →

More from p Block Elements (Group 15, 16, 17 & 18)

Identify the incorrect statement from the following : 2026Given below are two statements: Statement-I : Heating NaCl with concentrated H₂ SO₄ and MnO₂ results in oxidation of Mn. Statement-II : Heating NaI with concentrated H₂ SO₄ and MnO 2026Given below are two statements: Statement I : Like nitrogen that can form ammonia, arsenic can form arsine. Statement II : Antimony cannot form antimony pentoxide. In the light of 2025Match List - I with List-II array llll & List-I & & List-II . & XeO ₃ & I. & sp ^3 ~d , linear . & XeF ₂ & II. & sp ^3 ; pyramidal . & XeOF ₄ & III. & sp ^3 ~d ^3 ; distorted octah 2025Among Group 16 elements, which one does NOT show -2 oxidation state? 2024Identify the incorrect statement. 2024The products A and B obtained in the following reactions, respectively, are aligned & 3 ROH + PCl ₃ 3 RCl + A & ROH + PCl ₅ RCl + HCl + B aligned 2024Given below are two statements: Statement I: The boiling point of hydrides of Group 16 elements follow the order H ₂ O H ₂ Te H ₂ Se H ₂ ~S . Statement II: On the basis of molecula 2024 Full p Block Elements (Group 15, 16, 17 & 18) list All NEET PYQs