JEE Mains Chemistry Past PapershardMCQ SINGLE

Electronic configuration of four elements A, B, C and D are given below : (A) 1s22s22p3 (B) 1s22s22pJEE Mains Chemistry Past Papers Chemistry Question

Question

Electronic configuration of four elements A, B, C and D are given below : (A) 1s22s22p3 (B) 1s22s22p4 (C) 1s22s22p5 (D) 1s22s22p2 Which of the following is the correct order of increasing electronegativity (Pauling's scale) ? (A) A < C < B < D (B) A < D < B < C (C) D < A < B < C (D) A < B < C < D

Answer: C

💡 Solution & Explanation

F > O > N > C 4 3.5 3 2.5 (On moving L  R in periodic table, Zeff. So, EN)

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