The 1 st , 2 nd and the 3 rd ionization enthalpies, I 1 ,   I 2 and I 3 , of four atoms with atomic numbers n ,   n + 1 ,   n + 2 , and n + 3 , where n < 10 , are tabulated below. What is the value of n ? Atomic number Ionization Enthalpy (kJ/mol) I 1

Question

The 1 st , 2 nd and the 3 rd ionization enthalpies, I 1 , &#160; I 2  and  I 3 , of four atoms with atomic numbers  n , &#160; n + 1 , &#160; n + 2 , and n + 3 , where n &#60; 10 , are tabulated below. What is the value of n ? Atomic number Ionization Enthalpy (kJ/mol)   I 1 I 2 I 3 n 1681 3374 6050 n + 1 2081 3952 6122 n + 2 496 4562 6910 n + 3 738 1451 7733

Quantrex Academy · Accepted Answer

Correct answer: A. A

From given data ( n + 2 ) atom is alkali metal which is sodium. As  n + 2 = 11 So,  n = 9

JEE Advanced Chemistry Question (2020) — Solution

Question

Options

Answer

Step-by-step solution