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JEE Main20246 Apr 2024Morning ShiftChemistryClassification of Elements and Periodicity in PropertiesActual

The electron affinity value are negative for A. ( Be Be ⁻ ) B. ( N N ⁻ ) C. ( O O ²⁻ ) D. ( Na Na ⁻ ) E. ( Al Al ⁻ ) Choose the most appropriate answer from the options given below :

Options

  1. AD and E only
  2. BA, B and C only
  3. CA and D only
  4. DA, B, D and E only

Correct answer

B. A, B and C only

Step-by-step solution

(A) Be + e ⁻ Be ⁻, E.A =- ive (B) N + e ⁻ N ⁻ E.A = -ive (C) O + e ⁻ O ⁻ O ⁻+ e ⁻ O ⁻² E.A =- ive (D) Na + e ⁻ Na ⁻ E.A =+ ive (E) A + e ⁻ A ⁻ E.A =+ ive

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