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Periodic Table and Periodicity question

2025 · 3 Apr · Shift 1 · Q2
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Periodic Table and Periodicity question

2025 · 3 Apr · Shift 1 · Q2

JEE MainChemistryPeriodic Table and PeriodicityMCQ+4 / −1
Which of the following statements are correct? A. The process of adding an electron to a neutral gaseous atom is always exothermic. B. The process of removing an electron from an isolated gaseous atom is always endothermic. C. The 1st 1^{\text {st }}1st  ionization energy of boron is less than that of beryllium. D. The electronegativity of C is 2.5 in CH4\mathrm{CH}_4CH4​ and CCl4\mathrm{CCl}_4CCl4​ E. Li is the most electropositive among elements of group I. Choose the correct answer from the options given below:
  1. A
    A, C and D Only
  2. B
    B and C Only
  3. C
    B and D Only
  4. D
    B, C and E Only
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