Among the following pairs arrayll (1)\ oxygen-sulfur & (2)\ nitrogen-phosphorus \\ (3)\ phosphorus arsenic & (4)\ chlorine-iodine array Those in which the first ionization energies differ by more than 300 kJ mole are:

ABC26IN1235 · Main Group Elements

Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Exam: NET DEC 2011 · Marks: 2 · Difficulty: Easy

Among the following pairs

\[ \begin{array}{ll} (1)\ \text{oxygen-sulfur} & (2)\ \text{nitrogen-phosphorus} \\ (3)\ \text{phosphorus arsenic} & (4)\ \text{chlorine-iodine} \end{array} \]

Those in which the first ionization energies differ by more than 300 kJ mole are:

(a)(1) and (3) only

(b)(1) and (2) only

(c)(2) and (3) only

(d)(3) and (4) only

Answer

Answer (as printed): B

Explanation

No explanation was printed for this question.

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