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JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

The Ist IEs of four consecutive elements present in the second period of the Periodic Table are 8.3, 11.3, 14.5 and 13.6 eV respectively. Which of these is the IE of nitrogen?

Answer: (C)

Solution

The four consecutive period-2 elements with these IE values are B (8.3 eV), C (11.3 eV), N (14.5 eV) and O (13.6 eV). Normally IE increases steadily across a period, but nitrogen's half-filled

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Question ID VK-133305