Test SeriesFree PYQsExamsPricing

JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

How many of the following first ionization energy orders is/are correct? (i) (ii) (iii)

Answer: 2

Solution

Using standard first ionization energy values (kJ/mol): Li 520, Be 899, B 801, C 1086, N 1402, O 1314, F 1681, Ne 2081, Na 496, Mg 738, Al 577, P 1012, S 1000, Cl 1251. (i) — this numerical order holds, so (i) is correct. (ii) — this

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-133873